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TITLE 16ECONOMIC REGULATION
PART 1RAILROAD COMMISSION OF TEXAS
CHAPTER 3OIL AND GAS DIVISION
RULE §3.97Underground Storage of Gas in Salt Formations

(a) Definitions. The following terms, when used in this section, shall have the following meanings, unless the context clearly indicates otherwise.

  (1) Affected person--A person who, as a result of actions proposed in an application for a storage facility permit or amendment or modification of an existing storage facility permit, has suffered or may suffer actual injury or economic damage other than as a member of the general public.

  (2) Cavern--The storage space created in a salt formation by solution mining.

  (3) Commission--The Railroad Commission of Texas.

  (4) Emergency shutdown valve--A valve that automatically closes to isolate a gas storage wellhead from surface piping in the event of specified conditions that, if uncontrolled, may cause an emergency.

  (5) Fresh water--Water having bacteriological, physical, and chemical properties that make it suitable and feasible for beneficial use for any lawful purpose. For purposes of this section, brine associated with the creation, operation, and maintenance of an underground gas storage facility is not considered fresh water.

  (6) Gas storage well or storage well--A well, including the storage wellhead, casing, tubing, borehole, and cavern used for the injection or withdrawal of natural gas or any other gaseous substance into or out of an underground gas storage facility.

  (7) Leak or fire detector--A device capable of detecting by chemical or physical means the presence of stored product gas or the escape of stored product gas or the presence of flame or heat of a fire.

  (8) Operator--The person recognized by the Commission as being responsible for the physical operation of an underground gas storage facility, or such person's authorized representative.

  (9) Owner--The person recognized by the Commission as owning all or part of an underground gas storage facility, or such person's authorized representative.

  (10) Person--A natural person, corporation, organization, government, governmental subdivision or agency, business trust, estate, trust, partnership, association, or any other legal entity.

  (11) Pollution--Alteration of the physical, chemical, or biological quality of, or the contamination of, water that makes it harmful, detrimental, or injurious to humans, animal life, vegetation, or property, or to public health, safety, or welfare, or impairs the usefulness or the public enjoyment of the water for any lawful or reasonable purpose.

  (12) Storage wellhead--Equipment installed at the surface of the wellbore, including the casinghead and tubing head, spools, block or wing valves, and instrument flanges. Spool pieces must have a length less than six feet to be considered a part of the storage wellhead.

  (13) Surface piping--Any pipe within a storage facility that is directly connected to a storage well, outboard of the wellhead emergency shutdown valve and used to transport gas, brine, or fresh water to or from a storage well whether such pipe is above or below ground level.

  (14) Underground gas storage facility or storage facility--A facility used for the storage of natural gas or any other gaseous substance in an underground salt formation, including surface and subsurface rights, appurtenances, and improvements necessary for the operation of the facility.

(b) Permit required.

  (1) General. No person may create, operate, or maintain an underground gas storage facility without obtaining a permit from the Commission. A permit issued by the Commission for such activities before the effective date of this section shall continue in effect until revoked, modified, or suspended by the Commission, or until it expires according to its terms. The provisions of this section apply to permits to conduct gas storage operations issued prior to the effective date of this section, except as otherwise specifically provided.

  (2) Conflict with other requirements. If a provision of this section conflicts with any provision or term of a Commission order, field rule, or permit, the provision of such order, field rule, or permit shall control.

(c) Application.

  (1) Information required. An application for a permit to create, operate, or maintain an underground gas storage facility shall be filed with the Commission by the owner or operator, or the proposed owner or operator, on the prescribed form. The application shall contain the information necessary to demonstrate compliance with applicable state laws and Commission regulations.

  (2) Permit amendment. An application for amendment of an existing underground gas storage facility permit shall be filed with the Commission:

    (A) prior to any planned enlargement of a cavern in excess of the permitted cavern capacity by solution mining;

    (B) when required in accordance with paragraph (3) of this subsection;

    (C) prior to the drilling of any additional storage wells;

    (D) prior to an increase in the maximum operating pressure above the permitted pressure; or

    (E) any time that conditions at the storage facility deviate materially from the conditions specified in the permit or permit application.

  (3) Increase in capacity. The owner or operator of a storage facility shall notify the Commission if information indicates that the capacity of a cavern exceeds the permitted cavern capacity by 20% or more. Such notification shall be made in writing to the Commission within 10 days of the date that the owner or operator of the storage facility knows or has reason to know that the cavern capacity exceeds the permitted capacity by 20% or more. The notification shall include a description of the information that indicates that the permitted cavern capacity has been exceeded, and an estimate of the current cavern capacity. Upon receipt of such information, the Commission or its designee may take any one or more of the following actions:

    (A) require the permittee to comply with a compliance schedule that lists measures to be taken to ensure that conditions at the storage facility do not pose a danger to life or property, and that no waste of gas, uncontrolled escape of gas, or pollution of fresh water occurs;

    (B) require the permittee to file an application to amend the underground gas storage facility permit;

    (C) modify, cancel, or suspend the permit as provided in subsection (f) of this section; or

    (D) take enforcement action.

(d) Standards for underground storage zone.

  (1) Geologic, construction, and operating performance. An underground gas storage facility may be created, operated, or maintained only in an impermeable salt formation in a manner that will prevent waste of the stored gases, uncontrolled escape of gases, pollution of fresh water, and danger to life or property. This section does not authorize storage of liquid or liquefied hydrocarbons in an underground salt formation. A permit under §3.95 of this title (relating to Underground Storage of Liquid or Liquefied Hydrocarbons in Salt Formations) is required to convert from storage of natural gas to storage of liquid or liquefied hydrocarbons in an underground salt formation.

  (2) Fresh water strata. The applicant must submit with the application a letter from the Groundwater Advisory Unit of the Oil and Gas Division stating the depth to which fresh water strata occur at each storage facility.

(e) Notice and hearing.

  (1) Notice requirements. The applicant shall, no later than the date the application is mailed to or filed with the Commission, give notice of an application for a permit to create, operate, or maintain an underground hydrocarbon storage facility, or to amend an existing storage facility permit, by mailing or delivering a copy of the application form to:

    (A) the surface owner of the tract where the storage facility is located or is proposed to be located;

    (B) the surface owner of each tract adjoining the tract where the storage facility is located or is proposed to be located;

    (C) each oil, gas, or salt leaseholder, other than the applicant, of the tract on which the storage facility is located or is proposed to be located;

    (D) each oil, gas, or salt leaseholder of any tract adjoining the tract on which the storage facility is located or is proposed to be located;

    (E) the county clerk of the county or counties where the storage facility is located or is proposed to be located; and

    (F) if the storage facility is located or is proposed to be located within city limits, the city clerk or other appropriate city official.

  (2) Publication of notice. Notice of the application, in a form approved by the Commission or its designee, shall be published by the applicant once a week for three consecutive weeks in a newspaper of general circulation in the county where the storage facility is or is proposed to be located. The applicant shall file proof of publication prior to any hearing on the application or administrative approval of the application.

  (3) Notice by publication. The applicant shall make diligent efforts to ascertain the name and address of each person identified under paragraph (1)(A) - (D) of this subsection. The exercise of diligent efforts to ascertain names and addresses of such persons shall require an examination of the county records where the facility is located and an investigation of any other information of which the applicant has actual knowledge. If, after diligent efforts, the applicant has been unable to ascertain the name and address of one or more persons required to be notified under paragraph (1)(A) - (D) of this subsection, the notice requirements for those persons are satisfied by the publication of the notice of application as required in paragraph (2) of this subsection. The applicant must submit an affidavit to the Commission specifying the efforts that were taken to identify each person whose name and/or address could not be ascertained.

  (4) Hearing required for new permits. A permit application for a new underground gas storage facility will be considered for approval only after notice and hearing. The Commission will give notice of the hearing to all affected persons, local governments, and other persons who express, in writing, an interest in the application. After hearing, the examiner shall recommend a final action by the Commission.

  (5) Hearing on permit amendments.

    (A) An application for an amendment to an existing storage facility permit may be approved administratively if the Commission receives no protest from a person notified pursuant to paragraph (1) of this subsection or from any other affected person.

    (B) If the Commission receives a protest from a person notified pursuant to paragraph (1) of this subsection or from any other affected person within 15 days of the date of receipt of the application by the Commission, or of the date of the third publication, whichever is later, or if the Commission determines that a hearing is in the public interest, then the applicant will be notified that the application cannot be approved administratively. The Commission will schedule a hearing on the application upon written request of the applicant. The Commission will give notice of the hearing to all affected persons, local governments, and other persons who express, in writing, an interest in the application. After hearing, the examiner shall recommend a final action by the Commission.

    (C) If the application is administratively denied, a hearing will be scheduled upon written request of the applicant. After hearing, the examiner shall recommend a final action by the Commission.

(f) Modification, cancellation, or suspension of a permit.

  (1) General. Any permit may be modified, suspended, or canceled after notice and opportunity for hearing if:

    (A) a material change in conditions has occurred in the operation, maintenance, or construction of the storage facility, or there are material deviations from the information originally furnished to the Commission. A change in conditions at a facility that does not affect the safe operation of the facility or the ability of the facility to operate without causing waste of hydrocarbons or pollution is not considered to be material;

    (B) pollution of fresh water is likely as a result of continued operation of the storage facility;

    (C) there are material violations of the terms and provisions of the permit or Commission regulations;

    (D) the applicant has misrepresented any material facts during the permit issuance process; or

    (E) injected fluids are escaping or are likely to escape from the storage facility.

  (2) Imminent danger. Notwithstanding the provisions of paragraph (1) of this subsection, in the event of an emergency that presents an imminent danger to life or property, or where waste of hydrocarbons, uncontrolled escape of hydrocarbons, or pollution of fresh water is imminent, the Commission or its designee may immediately suspend a storage facility permit until a final order is issued pursuant to a hearing, if any, conducted in accordance with the provisions of paragraph (1) of this subsection. All operations at the facility shall cease upon suspension of a permit under this paragraph.

Cont'd...

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