Attachments for New Injection/Disposal Wells

Well Log | Groundwater Depth Letter | Area of Review | Historical Seismic Events | Notice |Fresh Water Injection | Requests for Exception

Well Log
The well log is needed to identify the top and bottom of the proposed injection zone and overlying formations.

  1. A complete electric log or similar well log of the proposed injection/disposal well is required.
    • The log must include a header and show the proposed disposal/injection zone.
    • Driller's logs, caliper logs and collar logs are not adequate. If a well log is not available for the proposed injection/disposal well, the applicant may submit a log of a nearby well and identify the logged well on one of the plats submitted with the application.
  1. If a well log is not available for the proposed injection/disposal well, the applicant may submit a log of a nearby well and identify the logged well on one of the plats submitted with the application.
  2. If multiple wells are covered by one Form H-1 within the same application, only one well log is required.

Groundwater Depth Letter
The groundwater depth letter is needed to evaluate the level of groundwater protection present in the proposed injection well.

  1. With Forms H-1/H-1A, provide Form GW-2 stating the depth to which usable quality groundwater must be protected is required. This form is commonly referred to as a "surface casing letter" and "water board letter." Information to obtain the RRC Webpage in the Quick Links Section under the Groundwater Advisory Unit.
  2. With Form W-14, a letter stating that the proposed injection will not endanger usable quality groundwater is required.  An applicant may request this letter from the RRC Groundwater Advisory Unit by filing two copies of the Form W-14, a plat showing the location of the well with surveys marked, and a representative electric log.

Area of Review
The purpose of this requirement is to identify any wells near the proposed injection well which may provide an avenue for migration of injected fluids out of the proposed disposal/injection zone.

  1. A map of all wells of public record within a 1/4-mile radius of the proposed injection/disposal well showing the total depth of each well is required. Click here for an example.



    • Use a current map.
    • Use a legible map clearly showing operator names, lease names, and well numbers.
    • Draw 1/4 mile radius around the well, wells (multi-well applications), or lease (area permit applications).
    • Always provide map scale.
    • Be able to distinguish wells with same numbers.


  1. The RRC Public GIS Map Viewer is the map that RRC staff will use to verify that all wells within a 1/4-mile radius have been examined. 



    • The interface allows you to locate the well by API number, Lease Id number, Survey or GPS coordinates.
    • You may also navigate by zooming in using landmarks such as cities and highways.
    • You may use the "MAP TOOLS" function to to either navigate, identify wells, surveys or draw a 1/4 or 1/2 mile circle around the subject well.


  1. A table of wells within the 1/4-mile radius that penetrate the top of the injection/disposal zone is required. Click here for an example. For each well, list the well name and number, date drilled, and current status, including the date plugged if applicable. 



    • List all wells within 1/4 mile radius around the well, wells (for multi-well applications), or lease (for area permit applications) that penetrate the top of the proposed injection zone.
    • For each well, show the well names, well numbers, API numbers and Total Depth.
    • For each well, show date drilled, current status, and date plugged (if applicable).
    • Include a copy of the plugging report for any wells plugged prior to January 1, 1967.
    • If records are not readily available for any plugged wells, include copies of the plugging report to expedite processing.


  1. If space allows, the Map and Table of wells within the 1/4-mile radius can be combined.
  2. For area permit applications, the Area of Review consists of the entire lease area, plus a 1/4-mile radius outside the lease boundary.


Historical Seismic Events
Any application for a new disposal well permit or an amendment of an existing disposal wellpermit for pressure, injection rate, or interval must include a survey of historical seismic events.

A survey of historical seismic events is a printed copy or screenshot showing the input parameters and results of a survey of information from the United States Geological Survey (USGS) regarding the locations of any historical events within a circular area of 100 square miles (a circle with a radius of 9.08 kilometers) centered around the disposal well location. The USGS Earth Archive Search may be found at the following link: (

To use the USGS Earth Archive Search, enter the following parameters:

  • DATE & TIME: Start (UTC); 1973-01-01 00:00:00
  • CIRCLE: Center Latitude and Center Longitude; Enter the location of the proposed Disposal Well using a WGS84 or NAD83 datum
  • CIRCLE: Inside Radius; Leave blank or enter 0
  • CIRCLE: Outside Radius; Enter 9.08

The notification process ensures that all affected parties are informed and have opportunity to protest the permitting of the proposed injection well. 

  1. Map of all wells of public record within the 1/2-mile radius of the proposed injection/disposal well clearly labeled showing each Commission designated operator of any well or active drilling permit location.
  2. Mail or deliver a copy of the application form(s), both front and back, to:
    • the owner "of record" of the surface of the tract on which the well is located.. Owner "of record" is the owner that is listed on deed and tax records
    • each Commission designated operator of any well or active drilling location within 1/2-mile of the proposed disposal/injection well (excluding permanently plugged wells)
    • the county clerk for the county where the well is located
    • the city clerk if the well is located within corporate city limits

If the application is for commercial disposal, notice must also be given in the same manner to owners "of record" of each surface tract that adjoins the proposed disposal tract. If the tract has been subdivided, then notify all surface owners of record within a 1/2-mile radius of the wellbore. Although not required, we recommend that you include a cover letter to briefly explain the nature of the application.

  1. Provide a signed statement listing name, address, and relation to the application (i.e. offset operator, surface owner, etc.) and the date that a copy of the application (front & back) was mailed or delivered to each of the required recipients. If there is no active operators within the 1/2-mile indicate that on the signed statement.
  2. Notice of the application must be published once by the applicant in a form approved by the Commission for Form W-14 or Form H-1 in a newspaper of general circulation in the county where the well is located. Notice instructions and forms may be obtained from the Commission's Austin office, district offices, or downloaded from this website. The following information must be submitted with the application:
    • Affidavit of publication. The affidavit must be notarized and must state that the newspaper has general circulation in the county where the well is located.
    • Newspaper clipping.



    • Indicate that the formation is productive or non-productive of oil and gas.
    • Include Formation Name(s).
    • Inlcude the Field and Lease Name(s).
    • Include the Well Number(s).
    • The direction/miles from the nearest town must be consistent with the information in the application.
    • The injection interval/disposal zone must be consistent with the information in the application.
    • For H-1 applications where several wells are involved, use the top of the shallowest and the bottom of the deepest interval for the subsurface depth interval.
    • Notice must be published (once for injection or disposal under Rules 9 or 46 and once a week for three consecutive weeks for hydrocarbon storage under Rule 95, 96, or 97) at your expense on or before the day the application is filed.
    • The newspaper need not be in the same county as the well, but must have general circulation in that county.
    • The legal authority paragraph must be included in the publication.
    • The notice must contain instructions for persons who wish to protest the application or who wish to request further information concerning the application.
    • The published notice for commercial disposal wells shall include the language "Application for Commercial Oil and Gas Waste Disposal Well."
    • The published notice for an area permit shall include the language "Area Permit Application."


  1. For commercial applications, submit a plat showing the legal tract of land on which the well is located and clearly label the adjoining offset landowners.



    • Clearly show the location of all wells of public record within one-half mile radius of the proposed injection/disposal well.
    • Identify the commission designated operators of wells within one-half mile of the proposed injection/disposal well.
    • For a commercial disposal well application, show the owners of record of the surface tracts that adjoin the proposed disposal well tract.


  1. Include a list of the names and addresses of the surface owners or record, operators or wells within one-half mile, county clerk, and, if applicable, city clerk.
  2. Submit a signed statement indicating the date that a copy of the application form(s) was mailed or delivered to each person on the list.


Operators of wells or wells with active drilling permits within one-half mile must be notified regardless of the status of the wells. The only wells that may be excluded are wells that have been permanently plugged and abandoned.


Fresh Water Injection
The injection of fresh water as a make-up fluid is restricted to cases where there is no technically or economically viable alternative. This part of the permit review verifies that all alternatives have been investigated.

  1. Fresh water questionnaire to justify use of fresh water.
  2. Form H-7 (Fresh Water Data Form)
    • Chemical analysis of fresh water to be injected.
    • Plat outlining fresh water rights.


If fresh water is purchased, only the fresh water questionnaire is required.


The Commission is required by statute to forward a copy of an application involving injection of fresh water to the RRC Groundwater Advisory Unit for comment.  The GAU has up to 30 days to respond.

Requests for Exception
Requests to construct and operate a well in a manner other than that specified in the rules requires an exception to the specific requirement.

  1. Types.
    • Tubing and packer - to inject down casing without tubing and packer.
    • Packer setting depth - to allow the packer to be set higher than normally allowed.
    • Pressure observation valves - to waive the requirement for wellhead pressure valves on the tubing and each annulus.
  1. Request must be in writing and include the $375 filing fee.