as generally used in the energy industry and in this annual report , the acronyms below have the following meanings : /d = per day mmbbls = million barrels bbtus = billion british thermal units mmbpd = million barrels per day bcf = billion cubic feet mmbtus = million british thermal units bpd = barrels per day mmcf = million cubic feet mbpd = thousand barrels per day tbtus = trillion british thermal units 64 cautionary statement regarding forward-looking information this annual report on form 10-k for the year ended december 31 , 2017 ( our “ annual report ” ) contains various forward-looking statements and information that are based on our beliefs and those of our general partner , as well as assumptions made by us and information currently available to us . when used in this document , words such as “ anticipate , ” “ project , ” “ expect , ” “ plan , ” “ seek , ” “ goal , ” “ estimate , ” “ forecast , ” “ intend , ” “ could , ” “ should , ” “ would , ” “ will , ” “ believe , ” “ may , ” “ potential ” and similar expressions and statements regarding our plans and objectives for future operations are intended to identify forward-looking statements . although we and our general partner believe that our expectations reflected in such forward-looking statements are reasonable , neither we nor our general partner can give any assurances that such expectations will prove to be correct . forward-looking statements are subject to a variety of risks , uncertainties and assumptions as described in more detail under part i , item 1a of this annual report . if one or more of these risks or uncertainties materialize , or if underlying assumptions prove incorrect , our actual results may vary materially from those anticipated , estimated , projected or expected . you should not put undue reliance on any forward-looking statements . the forward-looking statements in this annual report speak only as of the date hereof . except as required by federal and state securities laws , we undertake no obligation to publicly update or revise any forward-looking statements , whether as a result of new information , future events or any other reason . overview of business we are a publicly traded delaware limited partnership , the common units of which are listed on the new york stock exchange ( “ nyse ” ) under the ticker symbol “ epd . ” we were formed in april 1998 to own and operate certain natural gas liquids ( “ ngls ” ) related businesses of epco and are a leading north american provider of midstream energy services to producers and consumers of natural gas , ngls , crude oil , petrochemicals and refined products . our integrated midstream energy asset network links producers of natural gas , ngls and crude oil from some of the largest supply basins in the united states ( “ u.s. ” ) , canada and the gulf of mexico with domestic consumers and international markets . our midstream energy operations currently include : natural gas gathering , treating , processing , transportation and storage ; ngl transportation , fractionation , storage , and export and import terminals ( including those used to export liquefied petroleum gases , or “ lpg , ” and ethane ) ; crude oil gathering , transportation , storage , and export and import terminals ; petrochemical and refined products transportation , storage , export and import terminals , and related services ; and a marine transportation business that operates primarily on the u.s. inland and intracoastal waterway systems . our assets currently include approximately 50,000 miles of pipelines ; 260 mmbbls of storage capacity for ngls , crude oil , petrochemicals and refined products ; and 14 bcf of natural gas storage capacity . we conduct substantially all of our business through epo and are owned 100 % by our limited partners from an economic perspective . enterprise gp manages our partnership and owns a non-economic general partner interest in us . we , enterprise gp , epco and dan duncan llc are affiliates under the collective common control of the dd llc trustees and the epco trustees . like many publicly traded partnerships , we have no employees . all of our management , administrative and operating functions are performed by employees of epco pursuant to an administrative services agreement ( the “ asa ” ) or by other service providers . our operations are reported under four business segments : ( i ) ngl pipelines & services , ( ii ) crude oil pipelines & services , ( iii ) natural gas pipelines & services and ( iv ) petrochemical & refined products services . our business segments are generally organized and managed according to the types of services rendered ( or technologies employed ) and products produced and or sold . each of our business segments benefits from the supporting role of our related marketing activities . the main purpose of our marketing activities is to support the utilization and expansion of assets across our midstream energy asset network by increasing the volumes handled by such assets , which results in additional fee-based earnings for each business segment . in performing these support roles , our marketing activities also seek to participate in supply and demand opportunities as a supplemental source of gross operating margin , a non-generally accepted accounting principle ( “ non-gaap ” ) financial measure , for the partnership . the financial results of our marketing efforts fluctuate due to changes in volumes handled and overall market conditions , which are influenced by current and forward market prices for the products bought and sold . story_separator_special_tag 69 crude oil , natural gas and ngl prices were significantly higher in 2017 , compared to 2016 and 2015 , although far below peak levels seen in 2014. nonetheless , u.s. exploration and production ( “ e & p ” ) companies have shown that they can grow shale production at a crude oil price of $ 50/bbl . oilfield service and e & p companies continue to improve technologies to drill and complete non-conventional wells more efficiently . some of these improvements include faster drilling , longer horizontal laterals , and higher density fracture treatments . improved technology has enabled e & p companies to realize higher returns on capital from developing non-conventional resources at lower energy prices . rig counts increased rapidly in the first half of 2017. as more wells were drilled , most basins experienced a shortage of completion equipment and crews , forcing producers to defer completions and build their inventory of drilled but uncompleted wells ( “ ducs ” ) . the duc count grew by over 2,000 wells from december 2016 to december 2017 , to a total of nearly 7,500 wells , as reported by the u.s. energy information administration . this represents a significant potential volume which we believe could be brought into production starting in 2018. ngl volumes will likely grow proportionately faster than either crude oil or natural gas volumes , as the mix of drilling has continued to shift to crude oil wells and richer natural gas wells . while changes in drilling rig counts ( as reported by baker hughes ) have historically been a reliable leading indicator of future production growth or decline , recent developments in technology , high grading of drilling locations and the large inventory of ducs have reduced the correlation between changes in rig counts and changes in production . we believe this to be especially true when comparing current rig counts to those prior to 2015. rig counts continue , however , to be a reliable indicator of overall e & p activity and investment . u.s. e & p company sentiment continued to improve in 2017 as the opec production freeze had a high level of compliance and storage levels indicated a return to global supply-demand balance . since may 2016 , total u.s. drilling rig counts have increased by 542 rigs , or 134 % , to 946 rigs as of february 2018. the crude oil rig count increased by 449 to 765 rigs , an increase of 142 % from the low in may 2016. likewise , the natural gas rig count increased by 100 rigs , or 123 % , from the low in august 2016. not all regions have reacted equally to the recovery in rig counts , with the largest increases seen in the permian basin and scoop/stack play in oklahoma . in the second half of 2017 , rig count growth stabilized , however , we believe the current rig count is enough to continue to grow production , even without completion of a significant number of ducs or further increases in productivity . permian outlook the permian basin in west texas and southeastern new mexico has experienced the largest increase in drilling activity in the country , with the number of active rigs increasing from 134 in april 2016 to 427 in february 2018. the permian basin is an oil prone basin with many attributes , including stacked pay zones , light sweet crude oil and a long history of support for the oil and gas industry . the current level of producer activity provides support for the construction of incremental midstream infrastructure in the basin . an area of focus for us has been the development of midstream infrastructure serving producers in the delaware basin , which is part of the overall permian basin . the delaware basin historically has been a relatively lightly drilled area due to a lack of conventional targets . with the introduction of horizontal drilling and identification of stacked targets of tight-rock and shales , delaware basin drilling has accelerated over the past five years . these drilling targets have proven to produce not only light crude oil but also lighter and gassier hydrocarbons such as condensate and ngls . these gassier hydrocarbons have presented to us a large number of midstream opportunities to provide services to producers in the delaware basin . we are diligently working to identify attractive midstream prospects from these opportunities to complement our current asset infrastructure . during 2017 , we completed and placed into service two natural gas processing facilities ( south eddy and waha ) and are constructing three additional plants near orla , texas in the delaware basin . two of the orla plants ( orla i and ii ) are expected to start up in 2018 and one ( orla iii ) in 2019. when the orla plants are completed we will operate approximately 1.3 bcf/d of processing in the permian basin , which are all highly integrated with other enterprise natural gas and ngl assets , including our shin oak ngl pipeline that is currently under construction . in addition , we placed into limited service a major crude oil pipeline system , the midland-to-echo pipeline system that serves producers in the permian basin and originates at our midland , texas crude oil terminal and extends to our sealy , texas terminal and on to our echo terminal near houston , texas . we are also evaluating several other natural gas , ngl and crude oil projects in the permian basin . 70 eagle ford outlook rig counts in the eagle ford shale region were significantly impacted by the downturn in crude oil prices and producers allocating their capital budgets to other producing basins , especially the permian . with that being said , the number of active drilling rigs in the eagle ford shale has increased by 37 rigs , or 128 % , to

liquidity and capital resources based on current market conditions ( as of the filing date of this annual report ) , we believe we will have sufficient liquidity , cash flow from operations and access to capital markets to fund our capital expenditures and working capital needs for the reasonably foreseeable future . at december 31 , 2017 , we had $ 3.75 billion of consolidated liquidity , which was comprised of $ 3.74 billion of available borrowing capacity under epo 's revolving credit facilities and $ 5.1 million of unrestricted cash on hand . in february 2018 , we issued $ 2.7 billion aggregate principal amount of senior notes and junior subordinated notes and used the net proceeds therefrom for the temporary repayment of amounts outstanding under our commercial paper program and for the expected redemption of all $ 682.7 million aggregate principal amount of our junior subordinated notes b. for information regarding these debt offerings and the related redemption , see “ significant recent developments ” within this item 7. we expect to issue additional equity and debt securities to assist us in meeting our future funding and liquidity requirements , including those related to capital spending . consolidated debt the following table presents scheduled maturities of our consolidated debt obligations outstanding at december 31 , 2017 for the years indicated ( dollars in millions ) : replace_table_token_12_th the following information describes significant transactions that affected our consolidated debt obligations during the year ended december 31 , 2017 : issuance of $ 1.7 billion of junior subordinated notes in august 2017 in august 2017 , epo issued a combined $ 1.7 billion in principal amount of junior subordinated notes in two series . the epo junior subordinated notes d ( “ junior notes d ” ) , which were issued at $ 700 million principal amount in the aggregate , are redeemable at epo 's option , in whole or in part , on one or more occasions , on or after august 16 , 2022 ( the non-call 5 notes ) at 100 % of their principal amount , plus any accrued and unpaid interest .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```liquidity and capital resources based on current market conditions ( as of the filing date of this annual report ) , we believe we will have sufficient liquidity , cash flow from operations and access to capital markets to fund our capital expenditures and working capital needs for the reasonably foreseeable future . at december 31 , 2017 , we had $ 3.75 billion of consolidated liquidity , which was comprised of $ 3.74 billion of available borrowing capacity under epo 's revolving credit facilities and $ 5.1 million of unrestricted cash on hand . in february 2018 , we issued $ 2.7 billion aggregate principal amount of senior notes and junior subordinated notes and used the net proceeds therefrom for the temporary repayment of amounts outstanding under our commercial paper program and for the expected redemption of all $ 682.7 million aggregate principal amount of our junior subordinated notes b. for information regarding these debt offerings and the related redemption , see “ significant recent developments ” within this item 7. we expect to issue additional equity and debt securities to assist us in meeting our future funding and liquidity requirements , including those related to capital spending . consolidated debt the following table presents scheduled maturities of our consolidated debt obligations outstanding at december 31 , 2017 for the years indicated ( dollars in millions ) : replace_table_token_12_th the following information describes significant transactions that affected our consolidated debt obligations during the year ended december 31 , 2017 : issuance of $ 1.7 billion of junior subordinated notes in august 2017 in august 2017 , epo issued a combined $ 1.7 billion in principal amount of junior subordinated notes in two series . the epo junior subordinated notes d ( “ junior notes d ” ) , which were issued at $ 700 million principal amount in the aggregate , are redeemable at epo 's option , in whole or in part , on one or more occasions , on or after august 16 , 2022 ( the non-call 5 notes ) at 100 % of their principal amount , plus any accrued and unpaid interest .
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 Suspicious Activity Report : as generally used in the energy industry and in this annual report , the acronyms below have the following meanings : /d = per day mmbbls = million barrels bbtus = billion british thermal units mmbpd = million barrels per day bcf = billion cubic feet mmbtus = million british thermal units bpd = barrels per day mmcf = million cubic feet mbpd = thousand barrels per day tbtus = trillion british thermal units 64 cautionary statement regarding forward-looking information this annual report on form 10-k for the year ended december 31 , 2017 ( our “ annual report ” ) contains various forward-looking statements and information that are based on our beliefs and those of our general partner , as well as assumptions made by us and information currently available to us . when used in this document , words such as “ anticipate , ” “ project , ” “ expect , ” “ plan , ” “ seek , ” “ goal , ” “ estimate , ” “ forecast , ” “ intend , ” “ could , ” “ should , ” “ would , ” “ will , ” “ believe , ” “ may , ” “ potential ” and similar expressions and statements regarding our plans and objectives for future operations are intended to identify forward-looking statements . although we and our general partner believe that our expectations reflected in such forward-looking statements are reasonable , neither we nor our general partner can give any assurances that such expectations will prove to be correct . forward-looking statements are subject to a variety of risks , uncertainties and assumptions as described in more detail under part i , item 1a of this annual report . if one or more of these risks or uncertainties materialize , or if underlying assumptions prove incorrect , our actual results may vary materially from those anticipated , estimated , projected or expected . you should not put undue reliance on any forward-looking statements . the forward-looking statements in this annual report speak only as of the date hereof . except as required by federal and state securities laws , we undertake no obligation to publicly update or revise any forward-looking statements , whether as a result of new information , future events or any other reason . overview of business we are a publicly traded delaware limited partnership , the common units of which are listed on the new york stock exchange ( “ nyse ” ) under the ticker symbol “ epd . ” we were formed in april 1998 to own and operate certain natural gas liquids ( “ ngls ” ) related businesses of epco and are a leading north american provider of midstream energy services to producers and consumers of natural gas , ngls , crude oil , petrochemicals and refined products . our integrated midstream energy asset network links producers of natural gas , ngls and crude oil from some of the largest supply basins in the united states ( “ u.s. ” ) , canada and the gulf of mexico with domestic consumers and international markets . our midstream energy operations currently include : natural gas gathering , treating , processing , transportation and storage ; ngl transportation , fractionation , storage , and export and import terminals ( including those used to export liquefied petroleum gases , or “ lpg , ” and ethane ) ; crude oil gathering , transportation , storage , and export and import terminals ; petrochemical and refined products transportation , storage , export and import terminals , and related services ; and a marine transportation business that operates primarily on the u.s. inland and intracoastal waterway systems . our assets currently include approximately 50,000 miles of pipelines ; 260 mmbbls of storage capacity for ngls , crude oil , petrochemicals and refined products ; and 14 bcf of natural gas storage capacity . we conduct substantially all of our business through epo and are owned 100 % by our limited partners from an economic perspective . enterprise gp manages our partnership and owns a non-economic general partner interest in us . we , enterprise gp , epco and dan duncan llc are affiliates under the collective common control of the dd llc trustees and the epco trustees . like many publicly traded partnerships , we have no employees . all of our management , administrative and operating functions are performed by employees of epco pursuant to an administrative services agreement ( the “ asa ” ) or by other service providers . our operations are reported under four business segments : ( i ) ngl pipelines & services , ( ii ) crude oil pipelines & services , ( iii ) natural gas pipelines & services and ( iv ) petrochemical & refined products services . our business segments are generally organized and managed according to the types of services rendered ( or technologies employed ) and products produced and or sold . each of our business segments benefits from the supporting role of our related marketing activities . the main purpose of our marketing activities is to support the utilization and expansion of assets across our midstream energy asset network by increasing the volumes handled by such assets , which results in additional fee-based earnings for each business segment . in performing these support roles , our marketing activities also seek to participate in supply and demand opportunities as a supplemental source of gross operating margin , a non-generally accepted accounting principle ( “ non-gaap ” ) financial measure , for the partnership . the financial results of our marketing efforts fluctuate due to changes in volumes handled and overall market conditions , which are influenced by current and forward market prices for the products bought and sold . story_separator_special_tag 69 crude oil , natural gas and ngl prices were significantly higher in 2017 , compared to 2016 and 2015 , although far below peak levels seen in 2014. nonetheless , u.s. exploration and production ( “ e & p ” ) companies have shown that they can grow shale production at a crude oil price of $ 50/bbl . oilfield service and e & p companies continue to improve technologies to drill and complete non-conventional wells more efficiently . some of these improvements include faster drilling , longer horizontal laterals , and higher density fracture treatments . improved technology has enabled e & p companies to realize higher returns on capital from developing non-conventional resources at lower energy prices . rig counts increased rapidly in the first half of 2017. as more wells were drilled , most basins experienced a shortage of completion equipment and crews , forcing producers to defer completions and build their inventory of drilled but uncompleted wells ( “ ducs ” ) . the duc count grew by over 2,000 wells from december 2016 to december 2017 , to a total of nearly 7,500 wells , as reported by the u.s. energy information administration . this represents a significant potential volume which we believe could be brought into production starting in 2018. ngl volumes will likely grow proportionately faster than either crude oil or natural gas volumes , as the mix of drilling has continued to shift to crude oil wells and richer natural gas wells . while changes in drilling rig counts ( as reported by baker hughes ) have historically been a reliable leading indicator of future production growth or decline , recent developments in technology , high grading of drilling locations and the large inventory of ducs have reduced the correlation between changes in rig counts and changes in production . we believe this to be especially true when comparing current rig counts to those prior to 2015. rig counts continue , however , to be a reliable indicator of overall e & p activity and investment . u.s. e & p company sentiment continued to improve in 2017 as the opec production freeze had a high level of compliance and storage levels indicated a return to global supply-demand balance . since may 2016 , total u.s. drilling rig counts have increased by 542 rigs , or 134 % , to 946 rigs as of february 2018. the crude oil rig count increased by 449 to 765 rigs , an increase of 142 % from the low in may 2016. likewise , the natural gas rig count increased by 100 rigs , or 123 % , from the low in august 2016. not all regions have reacted equally to the recovery in rig counts , with the largest increases seen in the permian basin and scoop/stack play in oklahoma . in the second half of 2017 , rig count growth stabilized , however , we believe the current rig count is enough to continue to grow production , even without completion of a significant number of ducs or further increases in productivity . permian outlook the permian basin in west texas and southeastern new mexico has experienced the largest increase in drilling activity in the country , with the number of active rigs increasing from 134 in april 2016 to 427 in february 2018. the permian basin is an oil prone basin with many attributes , including stacked pay zones , light sweet crude oil and a long history of support for the oil and gas industry . the current level of producer activity provides support for the construction of incremental midstream infrastructure in the basin . an area of focus for us has been the development of midstream infrastructure serving producers in the delaware basin , which is part of the overall permian basin . the delaware basin historically has been a relatively lightly drilled area due to a lack of conventional targets . with the introduction of horizontal drilling and identification of stacked targets of tight-rock and shales , delaware basin drilling has accelerated over the past five years . these drilling targets have proven to produce not only light crude oil but also lighter and gassier hydrocarbons such as condensate and ngls . these gassier hydrocarbons have presented to us a large number of midstream opportunities to provide services to producers in the delaware basin . we are diligently working to identify attractive midstream prospects from these opportunities to complement our current asset infrastructure . during 2017 , we completed and placed into service two natural gas processing facilities ( south eddy and waha ) and are constructing three additional plants near orla , texas in the delaware basin . two of the orla plants ( orla i and ii ) are expected to start up in 2018 and one ( orla iii ) in 2019. when the orla plants are completed we will operate approximately 1.3 bcf/d of processing in the permian basin , which are all highly integrated with other enterprise natural gas and ngl assets , including our shin oak ngl pipeline that is currently under construction . in addition , we placed into limited service a major crude oil pipeline system , the midland-to-echo pipeline system that serves producers in the permian basin and originates at our midland , texas crude oil terminal and extends to our sealy , texas terminal and on to our echo terminal near houston , texas . we are also evaluating several other natural gas , ngl and crude oil projects in the permian basin . 70 eagle ford outlook rig counts in the eagle ford shale region were significantly impacted by the downturn in crude oil prices and producers allocating their capital budgets to other producing basins , especially the permian . with that being said , the number of active drilling rigs in the eagle ford shale has increased by 37 rigs , or 128 % , to

