scan update segment 14407 row ocs-g24634 United States Department of the Interior BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT GulfofMexico OCS Region 1201 Elmwood Park Boulevard New Orleans, Louisiana 70123-2394 In Reply Refer To: GE 1035A January 15, 201' Ms. Sarah Lunsford Caesar Oil Pipeline Company, LLC P.O. Box 2648 Houston, TX 77252 Dear Ms. Lunsford: Reference is made to Caesar Oil Pipeline Company, LLC'S (Ceaser) letter dated September 24, 2018, received by this office on October 23, 2018, clarifying demarcation line at Platform A in Green Canyon Area 787 (GC787A), the origin ofthe Right-of-way No. OCS-G24634, Pipeline Segment No. (PSN) 14007. Specifically, Ceaser clarified that the Right-of-way No. OCS-G24634 begins from the lower face of the flange directly above the SCR flex joint on the riser associated with the PSN 14007. The portion of the riser above the lower face of the flange directly above the S C R flex joint is a part of the platform GC787A(Atlantis) and is currently operated by BP Exploration and Production, Inc (BP). A letter dated September 26, 2018 from BP concurring with this clarification is also acknowledged. The portion above the lower face ofthe flange directly above the SCR flex joint on the riser is under the jurisdiction of BSEE, Houma District. BP or any subsequent operator should contact Houma District for permitting issues for this portion ofthe pipeline. Ceaser has designated Shell Pipeline Company LP as an operator for the PSN 14007 associated with the Right-of-way No. OCS-G24634. This office accepts your clarification and describes the Right-of-way No. OCS-G24634 as follows: Pipeline Right-of-way (ROW) OCS-G4634 is a 200-foot wide and approximately 18.16 miles (95,911 feet) long corridor associated with the 24-inch bi-directional Pipeline Segment No. (PSN) 14007. The purpose of pipeline ROW OCS-G24634 is to maintain and operate PSN 14007and transport oil from the lower face of the flange directly above the SCR flex joint on the riser at Platform A(Atlantis) in Green Canyon Area, Block 787, through Blocks 786, 830, 829, 828, 784, and 740, through a Pipeline End Termination and a jumper to a wye 24-inch sub-sea tie-in in Block 739. Sincerely, For: Bryan A. Domangue Acting Regional Supervisor Regional Field Operations Cc: Denise McGuire Shell Pipeline Company LP P.O. Box 2648 Houston, TX 77252 Houma District, BSEE Beth Atwood BP Exploration and Production, Inc 501 Westlake Park Blvd. Houston, TX 77079
Transcript
scan update segment 14407 row ocs-g24634
United States Department of the Interior BUREAU OF SAFETY AND ENVIRONMENTAL ENFORCEMENT
GulfofMexico OCS Region 1201 Elmwood Park Boulevard
New Orleans, Louisiana 70123-2394 In Reply Refer To: GE 1035A January 15, 201'
Ms. Sarah Lunsford Caesar Oil Pipeline Company, LLC P.O. Box 2648 Houston, TX 77252
Dear Ms. Lunsford:
Reference is made to Caesar Oil Pipeline Company, L L C ' S (Ceaser) letter dated September 24, 2018, received by this office on October 23, 2018, clarifying demarcation line at Platform A in Green Canyon Area 787 (GC787A), the origin ofthe Right-of-way No. OCS-G24634, Pipeline Segment No. (PSN) 14007. Specifically, Ceaser clarified that the Right-of-way No. OCS-G24634 begins from the lower face of the flange directly above the SCR flex joint on the riser associated with the PSN 14007.
The portion of the riser above the lower face of the flange directly above the SCR flex joint is a part of the platform GC787A(Atlantis) and is currently operated by BP Exploration and Production, Inc (BP). A letter dated September 26, 2018 from BP concurring with this clarification is also acknowledged. The portion above the lower face ofthe flange directly above the SCR flex joint on the riser is under the jurisdiction of BSEE, Houma District. BP or any subsequent operator should contact Houma District for permitting issues for this portion ofthe pipeline.
Ceaser has designated Shell Pipeline Company LP as an operator for the PSN 14007 associated with the Right-of-way No. OCS-G24634.
This office accepts your clarification and describes the Right-of-way No. OCS-G24634 as follows:
Pipeline Right-of-way (ROW) OCS-G4634 is a 200-foot wide and approximately 18.16 miles (95,911 feet) long corridor associated with the 24-inch bi-directional Pipeline Segment No. (PSN) 14007. The purpose of pipeline ROW OCS-G24634 is to maintain and operate PSN 14007and transport oil from the lower face of the flange directly above the SCR flex joint on the riser at Platform A(Atlantis) in Green Canyon Area, Block 787, through Blocks 786, 830, 829, 828, 784, and 740, through a Pipeline End Termination and a jumper to a wye 24-inch sub-sea tie-in in Block 739.
Sincerely,
For: Bryan A. Domangue Acting Regional Supervisor Regional Field Operations
Beth Atwood BP Exploration and Production, Inc 501 Westlake Park Blvd. Houston, TX 77079
Oil Pipeline Company, LK Caesar Oil Pipeline Company, LLC
PO Box 2648 Houston, TX 77252-2648
September 24, 2018
Bureau ofSafety and Environmental Enforcement Attention: Ms. Angie Gobert, GE1035A 1201 Elmwood Park Blvd. New Orleans, LA 70123
R E C E I V E D OCT 2 3 2018
Office of Field Operations Pipeline Section
RE: NOTIFICATION OF OPERATORSHIP DEMARCATION - ROW OCS-G24634, SEGMENT 14007 ROW HOLDER - CAESAR OIL PIPELINE COMPANY, LLC ROW OPERATOR OF RECORD - SHELL PIPELINE COMPANY LP PRODUCING OPERATOR - BP EXPLORATION & PRODUCTION INC. ATLANTIS PLATFORM, GC787, OFFSHORE LOUISIANA
Dear Ms. Gobert:
Caesar Oil Pipeline Company, LLC hereby submits supporting documentation to reflect demarcation
between the producing operator (BP Exploration & Production Inc.) and the transporting operator (Shell
Pipeline Company LP for 24" Oil Pipeline, OCS-G24634, Segment 14007 at GC787A Platform.
SegmentNo. 14007 originates at the Atlantis facility (GC787A) and includes the SCR portion ofthe pipeline and a horizontal section extending along the seafloor on the ROW several miles eventually terminating subsea in GC Block 739. As per the Safety Flow Schematic MGT-1NT-A-14-HS-DRW-0003-1 (copy attached) previously approved by BSEE on August 21, 2008, the producing operator, BP Exploration & Production Inc., is responsible for the pipeline on the facility hull up to the SCR flexjoint. The responsibility of the transporting operator. Shell Pipeline Company LP, begins at the lower face ofthe flange directly above the SCR flex joint.
By the attached letter dated September 26, 2018 BP Exploration &. Production Inc. acknowledges their
agreement with the aforementioned demarcation.
Ms. Angie Gobert Bureau ofSafety and Environmental Enforcement September 24, 2018
Should you have questions or need additional information, please contact:
Denise McGuire Sr. Land Agent, Offshore Shell Pipeline Company LP PO Box 2648 Houston, TX 77252-2648 832-762-2487 (Office) or [email protected]
Sincerely,
Sarah Lunsford Vice President Caesar Oil Pipeline Company, LLC
xc: Amy Wilson Pellegrin, BSEE Houma District Stephen Dessauer, BSEE Production Operations Jason Dollar, Shell Pipeline Company LP Reagan Nguyen, Shell Pipeline Company LP Michael Mitchel, Shell Pipeline Company LP Denise McGuire, Shell Pipeline Company LP Blair Hunt, Shell Pipeline Company LP Madhav Parimi, BP Exploration & Production Beth Atwood, BP Exploration & Production Elizabeth Komiskey, BP Exploration & Production
I n Reply Refer To: MS 5232 August 21, 2008
Mr. David Bugg BP Pipelines (North America) Inc. 200 Westlake Park Blvd. Houston, Texa*! 77079
Dear Mr. Bugg:
The Minerals Management Service has reviewed your completion report f or the follo w i n g p i p e l i n e :
Application Type: New Right-of-Way Pipeline L e t t e r Date: A p r i l 27, 2007 Supplemental Data Dates: March 13, 2008
Segment ROW Size Length Number Nuinber (inches) (feet) Service From To
14007 G24634 24 95,911 O i l Platform A 24-inch SSTI Green Canyon Green Canyon Block 787 Block 739 Unleased OCS-G16787
The t o t a l length of the " a s - b u i l t " right-of-way i s 18,16 miles.
The report i s submitted i n accordance with 30 CFR 250.1008 (b).
The data provided i n the report establishes the assigned maximum allowable operating pressure (MAOP) f o r the pi p e l i n e :
MAOP MAOP (psig) Determination
3,135 Hydrostatic Test Pressure
The high and low-pressure sensors s h a l l be set no higher than 15 percent above and below the normal operating range, respectively. The high p i l o t , however,
shall not be set higher than the MAOP of the pipeline. The pressure range shall be established by the use of pressure recorders.
Sincerely,
Michael J. Saucier Regional Supervisor Field Operations
In'accbrclancc tvidi 30 Cr'TiT^.fl.lOOBjbii, please find ciitldsed the plats and hydrostatie test data, in taplica.tc, for die following piijp.Glinc segment:
Segttittii Niimhfct'
Desigriatibn Permitted Le^ th ,
To 1*1) Point, ft
As-Built Length,
To ' I JJ Poiht, ft
Completed Date
Proposed Opetation
Date
140D7 .24" Gil'Pipelihc .ftom GC 787 fktforra A to GC739 SStl
95,442 95,911 April 2007 August 2007
Hydrotest-The pipeline vv'as Hyd^ostalically tested on February 10-11,2007 for eight hours. The pressure rangiid from'3.01.9 psi to.3^33 psi. Please sec the •attached hydrotest dau.
Plats: Please find .cndose.dthe certified asrbuilt plats for thc subject pipeline. The pipeline did not.sub^tantially dtsviatic From; fhe approved route. Also enclosed is an ASCII Elc ofthe pipeline route as required in NTL 98-09.
Minsrals Mcas^aiE-sat ScrvSos
R E C E I V E D MAR 1 g ZOOS
Offic.3 of Faeid Operations PiyeJisse Ssction
A copy ofthe plat induded in the report required by tliis paragraph shall also be submilted to: National Ocean Service. N/CS26 Um 7317 1315 KAVHigbwav SiK-er Springs, MD 20910
Atiodcs Anodes were installed on ihc pijU'tinc, as described in the pipeline applicuion. In summary, the following
Pipeline Secdon Anode-Net Weight, lbs Spacing AOI 411 1 every 6 joints + an additional
29 anodes on the SCR
Buckle arrestors, including J-lay dollars that serve as buckle arrestors, were installed as follows: " 12351b, 1 even- (> joints
Safety System Schematic Please find enclosed a revised safety system schematic For review and approval. iVIodificafiuns to the drawing from the previously approved drawing are shown in the clouded areas. Please nole thai thu change of operatorship lint; been designated on thc drawing at the face ofthe flange above ihc Flexjoint.
I f you have any questions, please conlnct our regulatory representative, Wanda Parker, WJP I Enterprises nr 1)72-516-1177 or by e-mail at wanda.p!iri:erfid.wjpen re rpriscs.coin.
Ven' truly yours,
Randy Joseck Operations Manager, Gulf of Mexico District BP Pijielines, NA 550 Westlake I'ark Bivd Houston.TX 77079 (281) 366-3331
LEGEND
PISTON SPRING RETURN SHUTDOTOI VALVE
PILOT OPERATED PRESSURE SAFETY VALVE
SPRING OPERATED PRESSURE SAFETY VALVE
FLOW SAFETY VALVE
COOLER
PLATFORM SAFETY SYSTEM
FAIL OPEtl FAIL CLOSED NORMALLY OPEN
PUMP
PIPE EXPANDER
aow CONTROL VALVE PRESSURE SWITCH HIGH LOW
fx j CHECK VALVE
Q FLEX JOINT
- I I - FLANGE
[ i?) FLOW INDICATOR
<=) ORIFICE METER
j PL J PIG LAUNCHER
t PRESSURE SWITCH HIGH
PRESSURE SWITCH LOW
24- OIL LATERAL
P W16
NOTES TRANSPORTING FACILITIES COMPLY WITH TITLE 49. PART 135 OF THE COOE OF FEDERAL REGULATIONS.
ALL PRESSURES AIJE GIVEfJRELATIVETO ISO FEET ABOVE MSL
EXPORT PIPELINES FACILITIES DESIGN CRITERIA; NORMAL INLET OPERATING PRESSURE 2.SO0 PSIG MAXIMUM ALLOWABLE INLET OPERATING PRESSURE (MAOP); 3.115 PSIG NORMAL INLET OPERATING TEMPERATURE: < 120- F MAXIMUM INLET TEMPERATURE; 130- F
HULL RISER. SCR AND PIPELINE VMLL BE PRESSURE TESTED FOR A MINIMUM OF t HOURS AT 1.25 MAOP (3.894 PStG).
EXPORT PIPELINE FACILITY FLANGES AND FITTINGS ARE ASME Bte.5. CLASS 1500 OR EQUIVALENT AS A MINIMUM.
EXPORT PIPELINE FACILITY VALVES ARE API-CD. ASME CLASS 1500 OR EQUIVALENT AS A MINIMUM,
HULL RISER. SCR AND PIPELINE ARE EXTERNALLY COATED AND CATHODICALLY PROTECTED BY (GALVALUM 111 OR EQUIVALENT) SACRIFICIAL ANODES (380 LBS SPACED 240 FT APART).
RISER AND PIPELINE ARE API 5L X-65.
RISER AND PIPELINE ARE OLOIRECTIONAL
10. AT GC 787 A PSHLS WILL BE SET AT 15% ABOVE AND BELOW THE NORMAL OPERATING PRESSURE
COMPONENT NAME
IDENTIFIER DIAMETER (INCHES)
WALL THICKNESS
(INCHES)
LENGTH (MILES)
GC 787 A R1S.EB A 0 3 24 1.319 300 FT
C SUBSEA F L A N G E J 24 N/A . f L g x JOINT - 24 - N/A _
GC 757 A SCR A 0 2 24 J 1.127/1.200-; 1.88
PIPELINE A O I 24 1 ri.227 17.SS
TIE-IN WYE W l f l 24 S < 1.500 -PLET AND VALVE PS 24 ( 1.125
TIE-IN JUMPER j e 2< ^ < 1.125 121 I T
END OF ATLANTIS LATERAL
J8
/ A J B J K L O J
CD
g r— m s 3
ATLANTIS LATERAL TIE-IN WYE
GC BZQ ORIGINAL DRAWING WITK SIGNATURES ON FILE
CAESAR WYE HAD DOG OIL LATERAL
GC73a
; | TTC f JIW
IIW I C L ENGINEERING
ATLANTIS LATERAL CAESAR OIL PIPELINE SYSTEM PIPELINE SAFETY SCHEMATIC
GREEN CANYON AREA
12 .^0-16^
KJNE
10-184K: j 10-I9-0G 1-31-07 VAGI iSCft
MGT - INT • A - 14 - HS - DRW - 0003 -
Beth Atwood Regulatory Advisor Gulf of Mexico Region
BP Exploration & Production Inc. 501 Westlake Park Boulevard Houston, Texas 77079 Cell Phone: 281-615-4553 Email: [email protected]
September 26, 2018
Ms. Angie Gobert Pipeline Section Chief Bureau of Safety and Environmental Enforcement 1201 Elmwood Park Boulevard New Orleans, Louisiana 70123-2394
RE: Notification of Operatorship Demarcation 24-inch Atlantis Oil Rlght-of-Way Pipeline Segment No, 14007, ROW G-24634 Originating in Green Canyon Bloclc 787, Platform A, OCS-G 23579 Receiving in Green Canyon Block 739, 24-inch SST, OCS-G16787 ROW Holder: Caesar Oil Pipeline Company, LLC (Company No: 02554)
Dear Ms. Gobert:
Caesar Oil Pipeline Company, LLC submitted the clarification notice for ROW G-24634, Segment number 14007, dated September 24, 2018. The notification identified the point of demarcation between the pipeline and the interconnect facilities on the Atlantis platform from which the pipeline originates, as well as the responsibility for operations downstream of the point of demarcation (Shell Pipeline Company LP, Company No. 02289) vs. upstream of the point of demarcation (BP Exploration & Production Inc., Company No. 02481). BP Exploration & Production Inc. submits this letter to confirm that it supports the point of demarcation and respective responsibilities indicated in Caesar's notification. BP Exploration & Production Inc. further agrees that a reference to the associated ROW (OCS-G24634) and Segment Number (14007) will be included in future submittals for the section of pipeline for which BP Exploration & Production Inc. is responsible.
If you have any questions or require additional information, please contact the undersigned or Ms. Catherine Nesbit, 281-896-5128 or by e-mail to Cathetine.Nesbit® bp.com
