Administrative Code

Creating a Report: Check the sections you'd like to appear in the report, then use the "Create Report" button at the bottom of the page to generate your report. Once the report is generated you'll then have the option to download it as a pdf, print or email the report.

Virginia Administrative Code
Title 4. Conservation And Natural Resources
Agency 25. Department Of Mines, Minerals And Energy
Chapter 150. Virginia Gas and Oil Regulation
9/17/2021

4VAC25-150-535. Pressure testing requirements for production casing in conventional gas or oil wells.

A. The operator shall install casing that can withstand the effects of tension and can prevent leaks, burst, and collapse during (i) the casing's installation and cementing and (ii) subsequent drilling and producing operations.

B. Except as provided in subsection C of this section, all casing must be a string of new pipe with an internal pressure rating that is at least 20% greater than the anticipated maximum pressure to which the casing will be exposed.

C. Used casing may be approved for use as surface, intermediate, or production casing but shall be pressure tested after cementing and before completion. A passing pressure test is holding the anticipated maximum pressure to which it will be exposed for 30 minutes with not more than a 10% decrease in pressure.

D. New or used plain end casing, except when being used as conductor pipe, that is welded together for use must meet the following requirements:

1. The casing must pass a pressure test by holding the anticipated maximum pressure to which the casing will be exposed for 30 minutes with not more than a 10% decrease in pressure. The operator shall notify the department electronically at least 24 hours before conducting the test. The test results shall be entered on the drilling report.

2. The casing shall be welded using at least three passes with the joint cleaned between each pass.

Statutory Authority

§§ 45.1-161.3, 45.1-361.4, and 45.1-361.27 of the Code of Virginia.

Historical Notes

Derived from Virginia Register Volume 33, Issue 7, eff. December 28, 2016.

Website addresses provided in the Virginia Administrative Code to documents incorporated by reference are for the reader's convenience only, may not necessarily be active or current, and should not be relied upon. To ensure the information incorporated by reference is accurate, the reader is encouraged to use the source document described in the regulation.

As a service to the public, the Virginia Administrative Code is provided online by the Virginia General Assembly. We are unable to answer legal questions or respond to requests for legal advice, including application of law to specific fact. To understand and protect your legal rights, you should consult an attorney.