Raymond N. Dickes Radiation Safety Officer Schlumberger Explosives Safety Officer Oilfield Services January 15, 2003 Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 Arlington, TX 76011-8064 RE: Source Abandonment in Westport Resources Corporation Well - OSCG 763 #11 Dear Sir or Madam: This is letter is to confirm the abandonment of irretrievable sources in a well in accordance with Part 39, Section 39.77(d). The original abandonment plan for this well included placing a 9 5/8" casing liner in Sidetrack #1. The casing liner for the new borehole would become the mechanical deflection device for the abandoned borehole. However, after drilling Sidetrack #1 the decision was made to plug and abandon the well in its entirety. Unbeknownst to Schlumberger, the operator of the well contacted MMS on January 10, 2003 to alter their plan to include plug and abandonment procedures. Approval for plug and abandonment of the well was granted by Mr. David Moore of the MMS as shown in the attached well schematic. You will note the cement plug dressed off from 11,980'to 12,014' has taken up the function of the original deflection device. In addition to the 567 feet of cement spotted on top of the logging tool, four additional cement plugs and a cement retainer where placed in the original borehole as shown in the well schematic. Additional information for this abandonment is attached. Please let me know if you require any further information. Sincerely, CN ,N. Dickes 200 Gillingham Lane, Sugar Land, Texas 77478, Telo(281) 285-8775, Fax (281) 285-8526 Source Abandonment - Westport Resources Corporation Well: OCSG 763 #11 Date of Occurrence: 12/29/2002 16 Ci, Am241 Be, Neutron Source, Serial #A1342 Source Identification: 16 Ci, Am241Be, Neutron Source, Serial #G5012 1.7 Ci, Cs137, Density Source, Serial #A2023 Westport Resources Corporation Well: OCS-G 763 #11 Well Identification: Field: West Cameron Block180 API#: 17-700-41150-00 Offshore Louisiana 567' of cement on top of the tool at 12,014', dressed from 11,776'. Additional cement Seal Results: plugs were set for P&A at the following depths: 6030' - 5800', 5685'-5360', 5360'- 5210', 450'- 250'. Total of 1,478' of cement. Recovery Attempts: Multiple attempts from 12/23/2002 to 12/29/2002 16 Ci, Am241 Be, Neutron Source, Serial #A1342 @ 12,623 ft Depth of Sources: 16 Ci, Am241Be, Neutron Source, Serial #G5012 @ 12,611 ft 1.7 Ci, Cs137, Density Source, Serial #A2023 @ 12,636 ft 12,720' MD Depth of Well: 11,650' TVD Identification: Plaque as required by Part 39 has been ordered and will be attached to the well. Reports: No other agency will receive a copy of this report. Initial Telephone NRC (Tom Andrews, Fred Brown & Ken Brockman) at 10:27 a.m. on Contact: December 27, 2002. Schlumberger RADIATION FISHING & ABANDONMENT REPORT ý Offshore (OCS Waters) E] Land or State Lease Waters Date 12/23/2002 Time 19:30 Company Name (Full Name) Westport Resources Corporation Well Name or (OCS-G No. or State Lease No.) OCSG 763 #11 Offshore State of Louisiana Rig Name Ocean Crusader API Number (If Available or CLSD) 17-700-41150-00 Location of Lease West Cameron 180 County or Parish Cameron State Louisiana District Houston Offshore Sales Engr John Crawford TD 12720' Hole Size 12.25" Deviation 36 degrees Casing Depth 5435' Casing Size 13.375" Depth of Fish (Top) 12582' (Bottom) 12709' Source Type (1) x 2 Two NSR-F Source Type (2) GSR-J Source Activity (1) 592 GBq each Source Activity (2) 63 GBq SerialNo. (1) G5012, A1342 SerialNo. (2) A2023 Isotope (1) Am24lBe Isotope (2) Ce 137 Depth (1) 12611',12623' Depth (2) 12636' Leak Test Date (1) (5012) 11/6/02 (1342) 9/15/02 Leak Test Date (2) 9/5/02 Leak Test Results (1) (5012) 6.83E-06 (1342)9.56E-06 Leak Test Results (2) <1.OE-07 Tool String (Head to Bottom LEHQT/DPTC/DTCH/HNGSiNPLC/ECS/HGNS/HRCC/HRMS/ AH 184/AH 184/DSST/AITH Date and Time Stuck 12/23/2002 19:00 Date and Time Cement Pumped 12/29/02 @ 09:00 a.m. Hole Conditions Driller had problems at this depth, reamed, went back to bottom and came out slick. Fishing Attempts See attached. Comments (what happened to get stuck?, etc.,): Sat down at 12,250', 12,360', 12,370' briefly. Logged up at 1800 ft/hr. Became stuck at 12412'. Worked the tool for 30 minutes and began fishing. Wireline Engineer: Damian Ferguson, Houston Offshore, 281.480.2000 ADTI Company Reps: Bruce Henson and Jimmy Craft, Rig Ph#: 832.461.0611 NOTE: Regulatory agencies should be contacted ONLY by the Schlumberger Technology Corporation (STC) Radiation Safety Officer or, if unavailable, his designee. Notified: NRC or State of: Name: Tom Andrews NRC Name: Fred Brown Ken Brockman Date: 12/27/02 Date: Time: 10:27 a.m. CST Time: ABANDONMENT The following is a summary of NRC and/or Agreement States regulations that must be followed when abandoning an irretrievable well logging source(s). The specific regulations are found in 10 CFR 39.15 and equivalent regulations in Agreement States. An irretrievablewell logging source means any licensed radioactive sealed source that becomes lodged in a well and cannot be retrieved after reasonable efforts have been made to recover the source(s). 1. If a well logging source is irretrievable, the following requirements must be implemented. a) The source(s) must be immobilized and sealed in place with a cement plug. The cement has to be dyed red in Texas as a condition of the Texas Railroad Commission (others occasionally). b) A mechanical deflection device must be set at some point in the well above the cement plug to prevent inadvertent intrusion on the source, unless the cement plug and sources(s) are not accessible to any subsequent drilling operations. The mechanical device can be devices such as a whipstock, old drill bit, etc. For LWD, drillpipe and/or collars left on top of the BHA usually are approved as a deflection device. c) A permanent identification plaque, (supplied by your QHSE Manager) made of stainless steel (or brass, bronze and monel), must be mounted at the surface of the well unless the mounting of the plaque is not practical (i.e. subsea completion). 2. The STC RSO (or his designee) will notify the NRC or Agreement State of the abandonment plan developed by/with the client. The NRC or Agreement State must approve the abandonment plan prior to implementation. The federal and/or state oil and gas well permitting agency normally will also require that they approve the abandonment plan. The contact with the well permitting agency is the responsibility of the well owner/client but we should advise him/her of that fact as a courtesy. 3. If any changes must be made to the abandonment plan submitted to the NRC or Agreement State, the STC RSO must be informed so that he/she can get approval of the modification, as appropriate. The actual abandonment must not begin until any abandonment plan or modification to that plan is approved by the appropriate agency. 4. The STC Radiation Safety Officer must file a written report with the NRC or Agreement State within 30 days after the abandonment. The facility management should file a written report within 10 days to the STC Radiation Safety Officer via the Health, Safety and Environment Manager. The facility report should cover the final abandonment details such as: a) Actual date of abandonment. b) Any changes in the data sent with the approved abandonment plan. c) A new well diagram if different from the that submitted with the approved abandonment plan. d) Any information pertinent to the abandonment that the STC RSO may not have for his/her final report. e) If all data sent to the STC RSO is still applicable for the final report, an e-mail or fax is to be sent to the STC RSO confirming that fact so that he/she can be ensured that the data sent to the appropriate agency is totally accurate. Most facilities send a completely new report since many these documents often are incomplete or are poor quality fax reproductions. If there are any questions regarding these procedures, discuss them with your Operations Manager. FACILITY MANAGEMENT MUST ENSURE THAT THE FINAL ABANDONMENT REPORT IS SUBMITTED TO THE STC RADIATION SAFETY OFFICER. Fishing Summary for Westport Resources Corp - OCSG-763 First attempt using a 5" OD overshot and 3 3/8" grapple fumished by STS, run by Smith International fishinig hand. After engaging the fish, fish became struck, jars wentf'off and driller moved 16' up and pipe became stuck for 1.5 hours, pipe came free, POOH and found grapple was cracked and no fish. Second attempt using a Bowen 3 3/8" Basket Grapple with 11 ¾' OD overshot. RIH circulated through overshot for 3 1/ hours trying to get down. Came 11' form TOF and could not make additional footage. POOH and found overshot broken. 12.3" piece of the 11 ¾' overshot broke down hole. Currently attempting to fish this piece of the overshot out of the hole using a tapered-screw spear. Cement has been ordered as per ADTJ. OIL t7 44 wr -*1 IN SCHLUMBERGER FISHING REPORT l•oniaential Open Hole WAS FISH RETRIEVED ON FIRST DESCENT? DYes WINo Customer Elected to: Cut & Thread LII Pull Off [] Other - What Changes Followed? Release ECRD [ LWF Abandonment Company Date ADTI/Westport December 23, 2002 Ustnct Well Service rder rnumber County Houston OS / 6250 OCS 763 #11 ST00 BP00 9E+06 9105863 Offshore Uivision Feld unit Number =ae REW West Cameron 180 733 TX Rig Name Company man Ocean Crusader Sonny Cambell IOOlstring I otaT Deptn Hole Size Englneer PEX/DSIIECS/HNGS/DTC/DTPC 12285 12 Damian Ferguson 7able Iype Head Type Casing Depth Casing Size Operator 7-46 PXS LEH-QT 5435 7.6 Randy Watson Mud I ype Mud Weight viscosity BHT Oi•SolidS uperator Fresh 13 46 225 34 Ken Stewart Drag on unlipipe Before Logging Dev Stuck Depth Weight Indicator Reading Witn 001 lbs 1 12285 Free &Moving up Just Before Sticking 6100 Stuck Moving Up m Speed Stopped Stuck Moving Down 1800 ft/hr Reason for Stopping: Stopped tor OW ong.