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C GLA PIV §1722.5 OIL AND GAS TITLE 14 (p.94.14.14.12) (Register 88.No.22--&2&88) 1722.5. Blowout Prevention and Related Well Control Equipment. Blowout prevention and related well control equipment shall be installed, tested,used,and maintained in a manner necessary to prevent an uncontrolled flow of fluid from a well. Division personnel shall use the current edition of Division.of Oil and Gas Manual No.MO 7,"Oil and Gas Well Blowout Preven- tion in California",as a guide in establishing the blowout prevention equipment requirements specified in the division's approval of proposed operations. NOTE:Authority cited:Sections 3013 and 3106,Public Resources Code.Reference:Sec- tions 3219 and 3220,Public Resources Code. i HISTORY: 1. New section filed 2-17-78;effective thirtieth day thereafter (Register 78,No. ). 2. Amendment filed 12-28-84;effective thirtieth day thereafter (Register 84,No.52). 1722.6. Drilling Fluid Program. Theoperational procedures and the properties, use, and testing of drilling fluid shall be such as are necessary to prevent the uncontrolled flow of fluids from any well. Drilling fluid additives in sufficient quantity to ensure well control shall be kept readily availableforimmediate use at all times. Fluid than the known f the which does not exposed tmore to thehw ll boreshallof be used in a drillingsoperure oation ressure formations expo i . withoutprior approval of the supervisor. ((a) Before removal of the drill pipe or tubing from the hole is begun, the drilling fluid shall be conditioned to provide adequate pressure overbalance to control any potential source of fluid entry. Proper overbalance shall be con- firmed by checking the annulus to ensure that there is no fluid flow or l swhen there is no fluid movement in the drill pipe or tubing.The drillingweight, the weight and volume of any heavy slugg or pill,and the fact that the annulus was checked for fluid movement shall be noted on the ciriller'sog. During removal of the drill pipe or tubing from the hole,a hole-filling program all be followed to maintain a satisfactory pressure overbalance condition. (b) Tests of the drillingg fluid to determine viscosity,water loss,weight,and gel strength shall be pe1ormed at least once daily while circulating, and the results of such tests shall be recorded on the driller's log.Equipment for measur- ing viscosity and fluid weight shall be maintained at the dell site. Exceptions to the test requirements may be granted for special cases, such as shallow = ^'f' development wells in low pressure fields, through the field rule process. (c) Disposal of drilling fluids shall be done in accordance with Section 1775, Subchapter 2 of these regulations. 3106,Public Resources Code.Reference:Sec NOTE:Authority cited:Sections 3013 and tions 3219 and 3220,Public Resources Code. HISTORY: 1. New section filed 2-17-78;effective thirtieth day thereafter (Register 78,No.7). 2. Editorial correction of NOTE filed 12-28-84;effective thirtieth day thereafter(Regis- ter 84,No.52). 1723, Plugging and Abandonment—General Requirements. (a) Cement Plugs. In general,cement plugs will beplaced across specified intervals to protect oil and gas zones,to prevent degradation of usablewaters,s. th to protect surface conditions,and for cement may be mixed wblic health and ith or replaced by discretion of the district deputy, other substances with adequate physical properties.