目录简介 | 1 Scope
This standard specifies the principles for management, implementation and training of well control technology of drilling.
This standard is applicable to the pressure control technology of oil and gas wells in exploration and production drilling operations on land
2 Normative
The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments to, or revisions of, any of these publications (exclude errata) do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
SY/T5087 Safe drilling recommendations for sour oil and gas wells
SY/T5127 Specification for wellhead equipment and christmas tree
SY5225 Safety rule for fire and explosion prevention during drilling, exploration, storage and transportation of oil and gas
SY/T5430 Determination of formation fracture pressure, leak-off test method for casing shoe
SY5742 Examination regulation for well control safety technology in oil and gas drilling
SY/T5858 Safety code for industrial use of fire in petroleum enterprises
SY5876 Safety inspection regulation for petroleum drilling crew
SY/T5964 Matching, installation adjustment and maintenance for drilling well control equipment
SY/T6203 Wrecking method for oil and gas well blowout and fires
3 Well control design
3.1 The distances between the wellhead and high voltage lines and other permanent facilities shall not be less than 75m, between the wellhead and any dwelling shall not be less than 100m, between the wellhead and railway and highway shall not be less than 200m, between the wellhead and highly dangerous places with high population density such as large scale fuel depots, hospitals and schools shall not be less than 500m.
For oil and gas wells with H,S, the measures for emergency evacuation shall refer to the pertinent regulations in the SY/T 5087.
3.2 Survey and investigation shall be conducted on dwellings, schools, plants and mines (including the mineral units for underground minerals production)，national defense facilities,high voltage power lines, water resources and wind direction variation in a certain range of the wellsite and their results shall be marked and noted in the geologic design.
Conditions of the layout, trend, length and depth of mining shafts and trenches such as coalmines shall be marked specifically.
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