Pi

m E N E R G Y V E N T U R E S

www.enven.com

May 3,2018

United States Department ofthe Interior Bureau ofSafety and Environmental Enforcement 1201 Elmwood Park Blvd. New Orleans, LA 70123-2394

333 Clay Street, Suite 42m Houston, Texas 77002 Phone: (713)335-7000

R E C E I V E D MAY 09 2018

Office of Field Oporations Pipeline Section

Attention: Angie Gobert

Subject: Proposed Abandonment & Relinquishment of 12" Gas/Condensate Right-of-Way Pipeline, Segment No. 9681, ROW OCS-G 13741, Originating at West Cameron Block 61, Platform A, and Terminating at West Cameron Block 43 SSTI, OCS Federal Waters, Offshore, Louisiana

Gentlemen:

EnVen Energy Ventures, LLC (EnVen] hereby requests your review and approval of the proposed abandonment in-place and relinquishment ofthe following right-of-way pipeline:

Segment # ROW# Origin Terminus OD Length Product 9681 G13741 WC61 WC 43 12" 47781' Gas/Cond

Regarding the pipeline abandonment in-place:

- A portion of this pipeline intersects an anchorage area. Under separate cover, EnVen is filing an application to decommission that portion ofthe pipeline which intersects the fairway to the USACE requesting approval to decommission in-place rather than remove. The approved USACE application will be forwarded to you upon receipt.

- The pipeline was previously pigged (in conjunction with pipeline segment #8858] as previously reported in documentation submitted to BSEE on 10/31/12.

In support ofthis application, the following information is enclosed:

Proposed Abandonment Procedure Pay.gov receipt in the amount of $2170.00

Should you have any questions or requests for additional information, please contact our Regulatory Manager, Cheryl Powell at (713) 335-7041 or via email at cpowell@enven.com.

Sincerely,

EnVen Energy VentGi s, LtC

David A. Carmony Chief Operating Officer

DAC:crp

Enven Energy Ventures, L L C West Cameron Block 61 "A" Platform

To West Cameron Block 43 Flange Connection OCS-G 13741

Pipeline Segment #9681

PIPELINE ABANDONMENT PROCEDURE Prepared: April 27, 2018

SegmentNo. 9681 Size: 12" Length: 47,781-feet Origin: WC-61 "A" Platform Termination: WC-43 Flange Connection Water Depth: 27 FSW Service: G/C MAOP: 1286 psi Line Type: DOI Line Fill Volume: 6415 bbls (inclusive of Riser

& Platform piping)

History: Pipeline SN 9681 and 8858 are flange connected (essentially making one long pipeline) in the WC-43 Field. The two pipelines joined as one, originate at the WC-61 "A" Platform and terminate at the WC-56 SSVA. When the work was done in 2012 to partially abandon (per the previously submitted documentation), both pipelines were pigged jointly (11,046 BBLS) as one line, the riser was blind flanged at the WC 61 A platform (origination point for SN 9681) and then the line was abandoned at the WC 56 SSTI (termination point for SN 8858).

Scope of Work; Pipeline Flushing and Abandonment

1. Notify BSEE and field supervisors of upcoming operations at least 48 hours prior to mobilization.

2. Mobilize the DSV to the W C " A " facility.

3. Divers cut the 12" pipeline 5-feet above the mud line and 20-feet away from the base of the WC 61 "A" Platform. "

4. Recover tube turn to the surface and secure to deck of DSV for onshore disposal.

5. Install a 12" mechanical plumber's plug into the abandoned end of the 12" Pipeline S-9681.

6. If needed, jet pipeline end to 3-feet below natural bottom and cover the end with 3:1 sand cement bags in a sloping fashion.

7. Only if access exists, board the structure and cut out a 5' long coupon at the +10' level. Install a 12" mechanical plumber's plug into both ends.

8. Notify BSEE that the pipeline abandonment work is complete and demobe.

Verifications:

• Pollution will be prevented by use of a pollution dome installed for the first cut or flange separation on each end of the pipeline. The horizontal cut will be made first and then the vertical will be made only after verification that no hydrocarbon is discharged from the pipeline's horizontal cut which will be protected by a pollution dome.

Page 1 of 1

Cheryl Powell

From: notification@pay.gov Sent: Thursday, May 3, 2018 11:02 AM To: Cheryl Powell Subject: Pay.gov Payment Confirmation: BSEE Application to Relinquish a ROW and

Decommission Pipeline - BU/RR

Your payment has been submitted to Pay.gov and the details are below. If you have any questions regarding this payment, please contact Brenda Dickerson at (703) 787-1617 or BseeFinanceAccountsReceivable@bsee.gov.

Application Name: BSEE Application to Relinquish a ROW and Decommission Pipeline - BU/RR Pay.gov Tracking ID: 269F3DL3 Agency Tracking ID: 75479779649 Transaction Type: Sale Transaction Date: 05/03/2018 12:02:01 PM EDT

Account Holder Name: David Carmony

Transaction Amount: $2,170.00 Card Type: Visa Card Number: * ***********6917

Region: Gulfof Mexico Contact Name: Cheryl Powell Contact Phone: 713-335-7041 Email Address: cpowell@enven.com ROW Holder or Applicant Name: EnVen Energy Ventures, LLC Company Number: 03026 Right of Way Number: G 13741 Purpose: Relinquish a ROW

THIS IS AN AUTOMATED MESSAGE. PLEASE DO NOT REPLY.

Enven Energy Ventures, L L C West Cameron Block 61 "A" Platform

To West Cameron Block 43 Flange Connection OCS-G13741

Pipeline Segment #9681 - 8858

PIPELINE ABANDONMENT PROCEDURE Rev. 1

Prepared: September 27, 2018

SegmentNo. 9681/8858 Size: 12" Length: 79,280-feet Origin: WC-61 "A" Platform Termination: WC-56 Flange Connection Water Depth: 27 FSW Service: G/C MAOP: 1286 psi Line Type: DOI Line Fill Volume: 10,650 bbls (inclusive of

Riser & Platform piping)

History: Pipeline SN 9681 and 8858 are flange connected (essentially making one long pipeline) in the WC-43 Field. The two pipelines joined as one, originates at the WC-61 "A" Platform and terminates at the WC-56 SSVA. When the work was done in 2012 to partially abandon (per the previously submitted documentation), both pipelines were pigged jointly (11,046 BBLS) as one line, the riser was blind flanged at the WC 61 A platform (origination point for SN 9681) and then the line was isolate with a blind flange at the WC 56 SSTI (termination pomt for SN 8858).

Scope of Work; Pipeline Flushing and Abandonment

1. Notify BSEE and field supervisors of upcoming operations at least 48 hours prior to mobilization.

2. Mobilize the Lay Barge/Pumping Vessel (with dive spread) to the WC-56 Flange Connection

3. Divers will locate the 12" End of Pipe Flange and with the ball valve in the closed position, remove the existing blind flange.

4. Divers will then assemble a certified pig launcher with 12" Foam Disc pig onto the 12" Pipeline Flange.

5. Diver will place the End of Pipe Ball Valve in the open position.

6. Mobilize the Filtration Vessel to the WC 61 "A" Platform.

7. Top side construction personnel from the Filtration Vessel will install a temporary Pig Receiver on the WC 61 "A" Platform Top of Riser Flange.

8. Construction Personnel will connect the 2" High Pressure Hose to the temporary Pig Receiver. The other end of the hose will be connected to the Filtration Spread. All inline valves will be placed in the open position

9. After completion of a conference call between the Lay Barge/Pumping Vessel, the Filtration Vessel, and Project Management, the Lay Barge will utilize the onboard Jet pumps to push one (1) 12" Foam Disc pig from WC-56 EOP Flange to the Filtration Vessel at the WC-61 "A" Platform. 11,715 BBLS (1.1 times Floodable Volume) shall be used to push the pig through the 12 Pipelines 9681 and 8858 system. During pigging operations, the filtration vessel will separate fluids received from the pipeline, with all hydrocarbons being stored in DOT tanks and pure water being overboard discharged.

Page 1 of 2

Enven Energy Ventures, L L C West Cameron Block 61 "A" Platform

To West Cameron Block 43 Flange Connection OCS-G13741

Pipeline Segment #9681 - 8858

10. Upon reaching the required volume and arrival of the 12" Foam Disc Pig at the WC-61 "A" Platform, pigging shall cease. The Lay Barge/Pumping Vessel will shut down the jet pumps, isolate the subsea valve, and recover the hoses. The Filtration Vessel at the WC-61 "A" Platform shall bleed down all pressure on the 12" Pipeline System, and recover the hoses and pig receiver to the Filtration Vessel.

11. The Filtration Vessel will demobilize, and all fluids captured from the pigging operation shall be transferred to a licensed disposal facility.

12. The Lay Barge shall recover anchors and travel to the WC 61 "A" Platform.

13. Divers shall cut the 12" pipeline 5-feet above the mud line and 20-feet away from the base ofthe WC 61 "A" Platform.

14. Recover tube tum to the surface and secure to deck of Lay Barge for onshore disposal.

15. Install a 12" mechanical plumber's plug into the abandoned end ofthe 12" Pipeline S-9681.

16. If needed, jet pipeline end to 3-feet below natural bottom and cover the end with 3:1 sand cement bags in a sloping fashion at the WC 61 "A" Platform.

17. Cut out a 5' long coupon at the +10' level and install a 12" mechanical plumber's plug into both ends.

18. Reposition the Lay Barge at the WC 58-WC 57 Block Line (-93.481402, 29.645818)

19. Divers will locate the 12" Pipeline S-9681 at the WC58/57 Block line, and cut and remove a 40' section.

20. Divers will install a 12" mechanical plumber's plug into the end of the 12" Pipeline S-9681 that will be abandoned in place towards the WC-61 "A" Platform.

21. If needed, jet the "abandoned in place" pipeline end to 3-feet below natural bottom and cover the end with 3:1 sand cement bags in a sloping fashion at the WC58 / 59 Block Line.

22. In a reverse lay fashion, the 12" Pipeline Segment 9681 shall be recovered to the surface from the WC 58 / WC 59 Block Line (-93.481402, 29.645818) to the WC 43 End Of Pipeline (-93.525803, 29.654377).

23. In a reverse lay fashion, the 12" Pipeline Segment 8858 shall be recovered to the surface from the WC 43 End Of Pipeline (-93.525164, 29.654781) through Blocks WC-44 and WC-57, to the WC 56 End Of Pipeline (-93.619773, 29.627543).

24. All pipe will be properly disposed at a licensed disposal facility.

25. Notify BSEE that the pipeline abandonment work is complete and demobe.

Verifications:

• Pollution will be prevented by use of a pollution dome installed for the first cut or flange separation on each end of the pipeline. The horizontal cut will be made first and then the vertical will be made only after verification that no hydrocarbon is discharged from the pipeline's horizontal cut which will be protected by a pollution dome.

Page 2 of 2

D E P A R T M E N T O F T H E A R M Y CORPS OF ENGINEERS, NEW ORLEANS DISTRICT

7400 LEAKE AVE NEW ORLEANS LA 70118-3651

July 26,2018

Operations Division Surveillance and Enforcement Section

Ms. Cheryl Powell EnVen Energy Ventures, LLC 333 Clay Street, Suite 4200 Houston, TX 77002

Dear Ms. Powell:

Reference is made to your application for a Department ofthe Army (DA) permit to decommission in place the existing 12 inch Gas/Condensate Right-of-Way Pipeline on property originating in West Cameron Block 61 and terminating at West Cameron Block 43, Cameron Parish, Louisiana.

We have reviewed the proposal and have determined that additional Department of the Army (DA) permits will not be required for this project. Therefore, we are returning your application. However, any change in your methods of abandonment will require a revised determination.

EnVen Energy Ventures, LLC will continue to be responsible for any structures or portions of structures remaining in place, either above or below ground, until such time as these structures are completely removed or EnVen Energy Ventures, LLC makes a good faith transfer ofthe authorization to a third party.

Please be advised that this property is in the Louisiana Coastal Zone and a Coastal Use Permit may be required prior to initiation of any activities on this site. For additional information, contact Ms. Christine Charrier, Office of Coastal Management, Louisiana Department of Natural Resources at (225) 342-7953.

Should there be any questions concerning these matters, please contact Mr. Jeffrey Linville at (504) 862-2227 and reference our Account No. MVN-1999-03523-1-SL. If you have specific questions regarding the permit process or permit applications, please contact our Western Evaluation Section at (504) 862-2261.

Sincerely, Digitally signed by

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Date: 2018.07.26 16:43:21 -OS'OO'

for Martin S. Mayer Chief, Regulatory Branch

Enclosures

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E N E R G Y V E N T U R E S

www.enven.com

333 Ciay Street. Suite 4200 Houston, Texas 77002 Phone: (713) 335-7000

May 11, 2018

U. S. Army Corps of Engineers New Orleans District, Operations Division 7400 Leake Avenue New Orleans, Louisiana 70118

Attention: Mr. Martin Mayer Chief. Regulatory Branch

RE: SW (Gulf of Mexico) 3568 Application to Decommission In-Place the Existing 12" Gas/Condensate Right-of-Way Pipeline Originating at West Cameron Block 61, Platform "A" and Terminating at West Cameron Block 43, SSTI, OCS Federal Waters, Offshore, Louisiana

Mr. Mayer,

By previous correspondence dated August 21, 1992, your office approved BHP Petroleum, Inc.'s request for installation of the subject pipeline which originates at West Cameron Block 61, Platform "A", terminates at a subsea tie-in located in West Cameron Block 43, crossing the Calcasieu Pass-Sabine Pass Anchorage Area.

By letter dated September 12, 2012, the subject permit was transferred to Pisces Energy LLC. Effective August 23, 2013, Pisces Energy LLC changed their name to EnVen Energy Ventures, LLC (EnVen).

Therefore, EnVen hereby requests your review and approval to decommission the subject pipeline in-place. Please note that a request to decommission in-place was also submitted to the Bureau of Safety & Environmental Enforcement (BSEE) under separate cover. In support of our request to abandon in-place, please be advised of the following:

• Since installation, EnVen is unaware of any hazards or conflicts with other users • Removal would contribute to unnecessary disturbance to the seafloor and

biological features

In support of our request, the following information is enclosed: • ENG Form 4345 • BSEE Application to Decommission In-Place dated May 3, 2018 • Pipeline As-Built Map

Enven Energy Ventures, L L C West Cameron Block 61 "A" Platform

To West Cameron Block 43 Flange Connection OCS-G13741

Pipeline Segment #9681 - 8858

PIPELINE ABANDONMENT PROCEDURE Rev. 1

Prepared: September 27, 2018

SegmentNo. 9681/8858 Size: 12" Length: 79,280-feet Origin: WC-61 "A" Platform Termination: WC-56 Flange Connection Water Depth: 27 FSW Service: G/C MAOP: 1286 psi Line Type: DOI Line Fill Volume: 10,650 bbls (inclusive of

Riser & Platform piping)

History: Pipeline SN 9681 and 8858 are flange connected (essentially making one long pipeline) in the WC-43 Field. The two pipelines joined as one, originates at the WC-61 "A" Platform and terminates at the WC-56 SSVA. When the work was done in 2012 to partially abandon (per the previously submitted documentation), both pipelines were pigged jointly (11,046 BBLS) as one line, the riser was blind flanged at the WC 61 A platform (origination point for SN 9681) and then the line was isolate with a blind flange at the WC 56 SSTI (termination pomt for SN 8858).

Scope of Work; Pipeline Flushing and Abandonment

1. Notify BSEE and field supervisors of upcoming operations at least 48 hours prior to mobilization.

2. Mobilize the Lay Barge/Pumping Vessel (with dive spread) to the WC-56 Flange Connection

3. Divers will locate the 12" End of Pipe Flange and with the ball valve in the closed position, remove the existing blind flange.

4. Divers will then assemble a certified pig launcher with 12" Foam Disc pig onto the 12" Pipeline Flange.

5. Diver will place the End of Pipe Ball Valve in the open position.

6. Mobilize the Filtration Vessel to the WC 61 "A" Platform.

7. Top side construction personnel from the Filtration Vessel will install a temporary Pig Receiver on the WC 61 "A" Platform Top of Riser Flange.

8. Construction Personnel will connect the 2" High Pressure Hose to the temporary Pig Receiver. The other end of the hose will be connected to the Filtration Spread. All inline valves will be placed in the open position

9. After completion of a conference call between the Lay Barge/Pumping Vessel, the Filtration Vessel, and Project Management, the Lay Barge will utilize the onboard Jet pumps to push one (1) 12" Foam Disc pig from WC-56 EOP Flange to the Filtration Vessel at the WC-61 "A" Platform. 11,715 BBLS (1.1 times Floodable Volume) shall be used to push the pig through the 12 Pipelines 9681 and 8858 system. During pigging operations, the filtration vessel will separate fluids received from the pipeline, with all hydrocarbons being stored in DOT tanks and pure water being overboard discharged.

Page 1 of 2

Enven Energy Ventures, L L C West Cameron Block 61 "A" Platform

To West Cameron Block 43 Flange Connection OCS-G13741

Pipeline Segment #9681 - 8858

10. Upon reaching the required volume and arrival of the 12" Foam Disc Pig at the WC-61 "A" Platform, pigging shall cease. The Lay Barge/Pumping Vessel will shut down the jet pumps, isolate the subsea valve, and recover the hoses. The Filtration Vessel at the WC-61 "A" Platform shall bleed down all pressure on the 12" Pipeline System, and recover the hoses and pig receiver to the Filtration Vessel.

11. The Filtration Vessel will demobilize, and all fluids captured from the pigging operation shall be transferred to a licensed disposal facility.

12. The Lay Barge shall recover anchors and travel to the WC 61 "A" Platform.

13. Divers shall cut the 12" pipeline 5-feet above the mud line and 20-feet away from the base ofthe WC 61 "A" Platform.

14. Recover tube tum to the surface and secure to deck of Lay Barge for onshore disposal.

15. Install a 12" mechanical plumber's plug into the abandoned end ofthe 12" Pipeline S-9681.

16. If needed, jet pipeline end to 3-feet below natural bottom and cover the end with 3:1 sand cement bags in a sloping fashion at the WC 61 "A" Platform.

17. Cut out a 5' long coupon at the +10' level and install a 12" mechanical plumber's plug into both ends.

18. Reposition the Lay Barge at the WC 58-WC 57 Block Line (-93.481402, 29.645818)

19. Divers will locate the 12" Pipeline S-9681 at the WC58/57 Block line, and cut and remove a 40' section.

20. Divers will install a 12" mechanical plumber's plug into the end of the 12" Pipeline S-9681 that will be abandoned in place towards the WC-61 "A" Platform.

21. If needed, jet the "abandoned in place" pipeline end to 3-feet below natural bottom and cover the end with 3:1 sand cement bags in a sloping fashion at the WC58 / 59 Block Line.

22. In a reverse lay fashion, the 12" Pipeline Segment 9681 shall be recovered to the surface from the WC 58 / WC 59 Block Line (-93.481402, 29.645818) to the WC 43 End Of Pipeline (-93.525803, 29.654377).

23. In a reverse lay fashion, the 12" Pipeline Segment 8858 shall be recovered to the surface from the WC 43 End Of Pipeline (-93.525164, 29.654781) through Blocks WC-44 and WC-57, to the WC 56 End Of Pipeline (-93.619773, 29.627543).

24. All pipe will be properly disposed at a licensed disposal facility.

25. Notify BSEE that the pipeline abandonment work is complete and demobe.

Verifications:

• Pollution will be prevented by use of a pollution dome installed for the first cut or flange separation on each end of the pipeline. The horizontal cut will be made first and then the vertical will be made only after verification that no hydrocarbon is discharged from the pipeline's horizontal cut which will be protected by a pollution dome.

Page 2 of 2

JOHN BEL EDWARDS V ^ \Y. THOMAS F. HARRIS GOVERNOR ^ X ^ ^ D V / / SECRETARY

>tate of Houtsiiana DEPARTMENT OF NATURAL RESOURCES

OFFICE OF COASTAL MANAGEMENT

October 25, 2018

Cheryl Powell, Regulatory Manager EnVen Energy Ventures, LLC 333 Clay Street, Suite 1200 Houston, Texas 77002 Via email: epowell@enven.com

RE: C20180169, Coastal Zone Consistency EnVen Energy Ventures, L L C Bureau of Safety and Environmental Enforcement Federal License or Permit Decommission & Remove PL SN 8858 in West Cameron Blocks 43, 44, 56 & 57; Decommission & Remove that part of PL SN 9681 from West Cameron Blocks 43 & 58 and Abandon in-place that part of PL SN 9681 in West Cameron Blocks 59, 60 & 61 Offshore, Louisiana

Dear Ms. Powell:

The above referenced project has been reviewed for consistency with the approved Louisiana Coastal Resources Program (LCRP) as required by Section 307 of the Coastal Zone Management Act of 1972, as amended. The project, as proposed in the application, is consistent with the LCRP.

The Bureau of Ocean Energy Management's (BOEM) waiver of policies outlined in NTL No. 2009-G04, allowing the pipeline(s) to remain decommissioned-in-place, may be rescinded, and pipeline(s) required to be removed, if it is later deemed necessary in order to minimize conflict with other uses of the Outer Continental Shelf.

I f you have any questions conceming this determination please contact Jim Bondy of the Consistency Section at (225) 342-3870 or James.Bondy@la.gov.

Sincerely yours,

ISI Charles Reulet Administrator

Interagency Affairs/Field Services Division

CR/SK/jab cc: Angie Gobert, BSEE Jessica Mallindine, BOEM

Tershara Matthews, BOEM Syed Khalil, CPRA Brian Cameron, BOEM Ed Haywood CPRA

Post Office Box 44487 • Baton Rouge, Louisiana 70804-4487 617 North Third Street • 10th Floor • Suite 1078 • Baton Rouge, Louisiana 70802

(225) 342-7591 • Fax (225) 342-9439 • http://www.dnr.louisiana.gov An Equal Opportunity Employer