Surface casing Sample Clauses

Surface casing. All operators commencing drilling operations on a new well shall be required to set and cement a sufficient amount of surface casing to properly protect all fresh water sands in accordance with the requirements of the Texas Natural Resources Conservation Commission, the Texas Department of Health, and any other governmental agency having jurisdiction. The length of surface casing shall in no case be less than fifteen hundredths (0.15) of the length of the next string of pipe proposed to be set. The surface casing shall be new or used casing, inspected and pressure tested to have a minimum internal yield value, as defined by the API formula, of at least the product of one (1.0) pound per square inch times the total depth of which the surface casing is set and shall be cemented by the pump and plug method. A volume of cement shall be used which, according to accepted engineering procedures, is calculated to fill the annular space between the surface casing and well bore to the surface of the ground, the cement will be circulated with the pump until the returns of cement are observed at the surface of the ground, and the cement shall be allowed to stand for a period sufficient to develop one thousand (1,000) PSI compressive strength before the plug is drilled. If cement does not circulate to the surface, then in such event, a temperature survey shall be conducted to determine the depth reached by the cement, and at such time such remedial procedures shall be followed as directed by the superintendent. As to xxxxx above four thousand (4,000) feet, the superintendent shall have the authority to grant exception to the surface casing requirements.
Sample 1
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Surface casing. Consultant will observe the setting of the surface casing as well as the cementing process.
Sample 1

Related to Surface casing

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