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TITLE 16ECONOMIC REGULATION
PART 1RAILROAD COMMISSION OF TEXAS
CHAPTER 3OIL AND GAS DIVISION
RULE §3.81Brine Mining Injection Wells

  (17) Notice of conversion or abandonment. The operator shall notify the commission at such times as the permit requires before conversion or abandonment of the well.

  (18) Plugging. Within one year after cessation of brine mining injection operations, the operator shall plug the well in accordance with §3.14(a) and (c)(h) of this title (relating to Plugging) (Rule 14(a) and (c) - (h)). For good cause, the director may grant a reasonable extension of time in which to plug the well if the operator submits a proposal that describes actions or procedures to ensure that the well will not endanger fresh water during the period of the extension.

(g) Other permit conditions. In addition to the conditions required in all permits, the commission will establish conditions, as required on a case-by-case basis, to provide for and assure compliance with the requirements specified in this subsection.

  (1) Duration. Permits will be effective for a term up to the operating life of the facility. The commission will review each permit issued pursuant to this section at least once every five years to determine whether cause exists for modification, revocation and reissuance, or termination of the permit.

  (2) Operating requirements. Permits will prescribe operating requirements, which will at a minimum specify that:

    (A) except during well stimulation, injection pressure at the wellhead may not exceed a maximum calculated to assure that the injection pressure does not initiate new fractures or propagate existing fractures in the injection zone; and

    (B) in no case may the injection pressure initiate fractures in the confining zone or cause the escape of injection or formation fluids from the injection zone.

  (3) Monitoring requirements. Permits will specify the following monitoring requirements:

    (A) requirements concerning the proper use, maintenance, and installation, when appropriate, of monitoring equipment or methods;

    (B) requirements concerning the type, intervals, and frequency of monitoring sufficient to yield data representative of the monitored activity, including continuous monitoring when appropriate; and

    (C) requirements to report monitoring results with a frequency dependent on the nature and effect of the monitored activity, but in no case less than quarterly.

  (4) Construction requirements. Permits will specify construction requirements to assure that the injection operations will not endanger fresh water. Changes in construction requirements during construction may be approved by the director as minor modifications of the permit. No such changes may be physically incorporated into the construction of the well prior to approval of the modifications by the director.

    (A) An existing brine mining injection well shall achieve compliance with the construction requirements according to a compliance schedule established as soon as possible and in no case later than one year after the effective date of the permit. The permit will require the operator to submit a written compliance report within 30 days after compliance has been achieved.

    (B) A new brine mining injection well must be cased and cemented in accordance with §3.13 of this title (relating to Casing, Cementing, Drilling, and Completion Requirements), (Rule 13), provided, however, that the operator shall set and cement surface casing in accordance with the letter obtained from the Groundwater Advisory Unit of the Oil and Gas Division pursuant to subsection (d)(4)(I) of this section regardless of the total depth of the well. No alternative program for setting less surface casing will be authorized.

    (C) Appropriate logs and other tests must be conducted during the drilling and construction of a new brine mining injection well. A descriptive report interpreting the results of such logs and tests must be prepared by a knowledgeable log analyst and submitted to the director. The logs and tests appropriate to each well will be determined based on the depth, construction, and other characteristics of the well, the availability of similar data in the area, and the need for additional information that may arise from time to time as the construction of the well progresses.

  (5) Financial responsibility. It shall be a permit condition that the operator maintain financial responsibility and resources to plug and abandon the brine mining injection well. The operator shall show evidence of such financial responsibility to the commission by submitting a surety bond or letter of credit in a form prescribed by the commission. Such bond or letter of credit shall be maintained until the well is plugged in accordance with subsection (f)(18) of this section.

  (6) Corrective action. For all known wells that penetrate the injection zone within a 1/4 mile radius of the brine mining injection well and are improperly completed, plugged, or abandoned, the commission will consider requiring corrective action to prevent movement of fluid into fresh water strata.

    (A) In determining the need for corrective action, the commission will consider the following factors: nature and volume of injected fluid; nature of native fluids; potentially affected population; geology; hydrology; history of the injection operation; completion and plugging records; abandonment procedures in effect at the time a well was abandoned; and hydraulic connections with fresh water.

    (B) For an existing brine mining injection well requiring corrective action, any permit issued will include a compliance schedule leading to compliance with corrective action requirements. The compliance schedule will require compliance as soon as possible and in no case later than one year after the effective date of the permit. The permit will require the operator to submit a written compliance report within 30 days after all required corrective action has been taken.

    (C) For a new brine mining injection well, the operator may not begin injection operations until all required corrective action has been taken.

(h) Modification, revocation and reissuance, and termination of permits. A permit may be modified, revoked and reissued, or terminated by the commission either upon the written request of any interested person, including the operator, or upon the commission's initiative, but only for the reasons and under the conditions specified in this subsection. Except for minor modifications made under paragraph (2) of this subsection, the commission will follow the applicable procedures in subsection (i) of this section. In the case of a modification, the commission may request additional information or an updated application. In the case of a revocation and reissuance, the commission will require a new application. If a permit is modified, only the conditions subject to modification are reopened. The term of a permit may not be extended by modification. If a permit is revoked and reissued, the entire permit is reopened and subject to revision, and the permit is reissued for a new term.

  (1) Modification, or revocation and reissuance. The following are causes for modification, or revocation and reissuance:

    (A) material and substantial alterations or additions to the facility occurred after permit issuance and justify permit conditions that are different or absent in the existing permit;

    (B) the commission receives new information;

    (C) the standards or regulations on which the permit was based have been changed by promulgation of amended standards or regulations or by judicial decision after the permit was issued;

    (D) the commission determines good cause exists for modifying a compliance schedule, such as a act of God, strike, flood, materials shortage, or other event over which the operator has little or no control and for which there is no reasonably available remedy;

    (E) cause exists for terminating a permit under paragraph (3) of this subsection, and the commission determines that modification, or revocation and reissuance, is appropriate; or

    (F) a transfer of the permit is proposed.

  (2) Minor modifications. With the operator's consent, the director may make minor modifications to a permit administratively, without following the procedures of subsection (i) of this section. Minor modifications may only:

    (A) correct clerical or typographical errors, or clarify any description or provision in the permit, provided that the description or provision is not changed substantively;

    (B) require more frequent monitoring or reporting;

    (C) change construction requirements provided that any changes shall comply with the requirements of subsection (g)(4) of this section; or

Cont'd...

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