[Federal Register Volume 67, Number 126 (Monday, July 1, 2002)]
[Corrections]
[Pages 44265-44267]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: C2-11640]


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DEPARTMENT OF THE INTERIOR

Minerals Management Service

30 CFR Part 250

RIN 1010-AC65


Oil and Gas and Sulphur Operations in the Outer Continental 
Shelf--Decommissioning Activities

Correction

    In rule document 02-11640 beginning on page 35398 in the issue of 
Friday, May 17, 2002, make the following corrections:


Sec. 250.1704  [Corrected]

    On page 35407, the table should read as set forth below:
* * * * *

             Decommissioning Applications and Reports Table
------------------------------------------------------------------------
 Decommissioning applications       When to submit        Instructions
------------------------------------------------------------------------
(a) Initial platform removal    In the Pacific OCS      Include
 application [not required in    Region or Alaska OCS    information
 the Gulf of Mexico OCS          Region, submit the      required under
 Region].                        application to the      Sec.  250.1726.
                                 Regional Supervisor
                                 at least 2 years
                                 before production is
                                 projected to cease.
(b) Final removal application   Before removing a       Include
 for a platform or other         platform or other       information
 facility.                       facility in the Gulf    required under
                                 of Mexico OCS Region,   Sec.  250.1727.
                                 or not more than 2
                                 years after the
                                 submittal of an
                                 initial platform
                                 removal application
                                 to the Pacific OCS
                                 Region and the Alaska
                                 OCS Region.
(c) Post-removal report for a   Within 30 days after    Include
 platform or other facility.     you remove a platform   information
                                 or other facility.      required under
                                                         Sec.  250.1729.
(d) Pipeline decommissioning    Before you              Include
 application.                    decommission a          information
                                 pipeline.               required under
                                                         Sec.  250.1751(
                                                         a) or Sec.
                                                         250.1752(a), as
                                                         applicable.
(e) Post-pipeline               Within 30 days after    Include
 decommissioning report.         you decommission a      information
                                 pipeline.               required under
                                                         Sec.  250.1753.
(f) Form MMS-124, Sundry        (1) Before you plug a   Include
 Notices and Reports on Wells.   well.                   information
                                                         required under
                                                         Sec.  250.1712.
                                (2) Within 30 days      Include
                                 after you plug a well.  information
                                                         required under
                                                         Sec.  250.1717.
                                (3) Within 30 days      Include
                                 after you complete      information
                                 siteclearance           required under
                                 activities.             Sec.  250.1743(
                                                         b).
------------------------------------------------------------------------

Sec. 250.1715  [Corrected]

    On page 35408, the table should read as set forth below:
    (a)***

                                      Permanent Well Plugging Requirements
----------------------------------------------------------------------------------------------------------------
                        If you have--                                         Then you must use--
----------------------------------------------------------------------------------------------------------------
(1) Zones in open hole......................................  Cement plug(s) from at least 100 feet below the
                                                               bottom to 100 feet above the top of oil, gas, and
                                                               fresh-water zones to isolate fluids in the
                                                               strata.

[[Page 44266]]

 
(2) Open hole below casing..................................  (i) A cement plug set by the displacement method,
                                                               at least 100 feet above and below deepest casing
                                                               shoe;
                                                              (ii) A cement retainer with effective back-
                                                               pressure control set 50 to 100 feet above the
                                                               casing shoe, and a cement plug that extends at
                                                               least 100 feet below the casing shoe and at least
                                                               50 feet above the retainer; or
                                                              (iii) A bridge plug 50 feet to 100 feet above the
                                                               shoe with 50 feet of cement on top of the bridge
                                                               plug, for expected or known lost circulation
                                                               conditions.
(3) A perforated zone that is currently open and not           (i) A method to squeeze cement to all
 previously squeezed or isolated.                              perforations;
                                                              (ii) A cement plug set by the displacement method,
                                                               at least 100 feet above to 100 feet below the
                                                               perforated interval, or down to a casing plug,
                                                               whichever is less; or
                                                              (iii) If the perforated zones are isolated from
                                                               the hole below, you may use any of the plugs
                                                               specified in paragraphs (A) through (E) of this
                                                               paragraph instead of those specified in
                                                               paragraphs (3)(i) and (3)(ii) of this section:
                                                                 (A) A cement retainer with effective back-
                                                                  pressure control 50 to 100 feet above the top
                                                                  of the perforated interval, and a cement plug
                                                                  that extends at least 100 feet below the
                                                                  bottom of the perforated interval with at
                                                                  least 50 feet of cement above the retainer;
                                                                 (B) A bridge plug set 50 to 100 feet above the
                                                                  top of the perforated interval and at least 50
                                                                  feet of cement on top of the bridge plug;
                                                                 (C) A cement plug at least 200 feet in length,
                                                                  set by the displacement method, with the
                                                                  bottom of the plug no more than 100 feet above
                                                                  the perforated interval;
                                                                 (D) A through-tubing basket plug set no more
                                                                  than 100 feet above the perforated interval
                                                                  with at least 50 feet of cement on top of the
                                                                  basket plug; or
                                                                 (E) A tubing plug set no more than 100 feet
                                                                  above the perforated interval topped with a
                                                                  sufficient volume of cement so as to extend at
                                                                  least 100 feet above the uppermost packer in
                                                                  the wellbore and at least 300 feet of cement
                                                                  in the casing annulus immediately above the
                                                                  packer.
(4) A casing stub where the stub end is within the casing...  (i) A cement plug at least 100 feet above and
                                                               below the stub end;
                                                              (ii) A cement retainer or bridge plug set at least
                                                               50 to 100 feet above the stub end with at least
                                                               50 feet of cement on top of the retainer or
                                                               bridge plug; or
                                                              (iii) A cement plug at least 200 feet long with
                                                               the bottom of the plug set no more than 100 feet
                                                               above the stub end.
(5) A casing stub where the stub end is below the casing....  A plug as specified in paragraph (a)(1) or (a)(2)
                                                               of this section, as applicable.
(6) An annular space that communicates with open hole and     A cement plug at least 200 feet long set in the
 extends to the mud line.                                      annular space. For a well completed above the
                                                               ocean surface, you must pressure test each casing
                                                               annulus to verify isolation.
(7) A subsea well with unsealed annulus.....................  A cutter to sever the casing, and you must set a
                                                               stub plug as specified in paragraphs (a)(4) and
                                                               (a)(5) of this section.
(8) A well with casing......................................  A cement surface plug at least 150 feet long set
                                                               in the smallest casing that extends to the mud
                                                               line with the top of the plug no more than 150
                                                               feet below the mud line.
(9) Fluid left in the hole..................................  A fluid in the intervals between the plugs that is
                                                               dense enough to exert a hydrostatic pressure that
                                                               is greater than the formation pressures in the
                                                               intervals.
----------------------------------------------------------------------------------------------------------------

Sec.  250.1741  [Corrected]

    On page 35411, the table should read as set forth below:
    (g)***

------------------------------------------------------------------------
            For--               You must trawl--       And you must--
------------------------------------------------------------------------
(1) Buried active pipelines.  ....................  First contact the
                                                     pipeline owner or
                                                     operator to
                                                     determine the
                                                     condition of the
                                                     pipeline before
                                                     trawling over the
                                                     buried pipeline.
(2) Unburied active           no closer than 100    Trawl parallel to
 pipelines that are 8 inches   feet to the either    the pipeline Do not
 in diameter or larger.        side of the           trawl across the
                               pipeline.             pipeline.
(3) Unburied smaller          no closer than 100    Trawl parallel to
 diameter pipelines in the     feet to either side   the pipeline. Do
 trawl area that have          of the pipeline.      not trawl across
 obstructions (e.g.,                                 the pipeline.
 pipeline valves) present.
(4) Unburied active           parallel to the       ....................
 pipelines in the trawl area   pipeline.
 that are smaller than 8
 inches in diameter and have
 no obstructions present.
------------------------------------------------------------------------

* * * * *


Sec.  250.1742  [Corrected]

* * * * *
    On page 35412, the table should read as set forth below:

----------------------------------------------------------------------------------------------------------------
            If you use--                           You must--                          And you must--
----------------------------------------------------------------------------------------------------------------
(a) Sonar..........................  cover 100 percent of the appropriate   Use a sonar signal with a frequency
                                      grid area listed in Sec.               of at least 500 kHz.
                                      250.1741(a).

[[Page 44267]]

 
(b) A diver........................  ensure that the diver visually         Ensure that the diver uses a search
                                      inspects 100 percent of the            pattern of concentric circles or
                                      appropriate grid area listed in Sec.   parallel lines spaced no more than
                                       250.1741(a).                          10 feet apart.
(c) An ROV (remotely operated        ensure that the ROV camera records     Ensure that the ROV uses a pattern
 vehicle).                            videotape over 100 percent of the      of concentic circles or parallel
                                      appropriate grid area listed in Sec.   lines spaced no more than 10 feet
                                       250.1741(a).                          apart.
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[FR Doc. C2-11640 Filed 6-28-02; 8:45 am]
BILLING CODE 1505-01-D