GB/T 21412.4-2013Petroleum and natural gas industries -- Design and operation of subsea production systems -- Part 4: Subsea wellhead and tree equipment (English PDF)

1 Scope 1

2 Normative references 3

3 Terms, definitions, symbols and abbreviations 4

3.1 Terms and definitions 4

3.2 Symbols and Abbreviations 9

4 Use conditions and product specification level 11

11 4.1 Conditions of Use 4.2 specification level 11

5 General System Requirements 12

5.1 Design and performance requirements 12

5.2 Materials 22

5.3 Welding 22

13 Typical catheter tip 111

Figure 14 Typical wellhead 112

Figure A.1 oriented vertical Christmas tree 139

Figure A.2 oriented TFL 140 Christmas tree

Figure A.3 unguided Vertical Christmas tree 141

Figure B.1 oriented horizontal christmas tree 143

Figure B.2 unguided 144 horizontal christmas tree

Figure C.1 subsea wellhead 146

Figure D.1 concentric tubing hanger 147

Figure D.2 porous tubing hanger 147

Figure D.3 horizontal christmas tree tubing hanger 148

Figure D.4 extended horizontal christmas tree tubing hanger 149

Figure E.1 mud line suspension (wellhead) and conversion device 151

Figure E.2 mud line conversion apparatus 152

Figure E.3 mud line suspension member axisymmetric cross-sectional Stress Distribution 154

Figure E.4 mud line suspension member 155 threshold stress

Figure F.1 drilled through the mud line suspension system 158

Figure G.1 flange alignment tolerances of the flange 164

Figure G.2 a tool, tools, and two four tools on a cross-sectional bolt tightening torque sequence 165

Figure K.1 shackle plate and ear shapes and sizes (not to scale) 177

Figure K.2 underwater lifting lug plate size (not to scale) 179

Figure K.3 sling lifting device displays the vertical angle icon 182

Figure K.4 forging ear plate NDE area 186

Figure K.5 solder lug plate 186 local test

Figure K.6 ear plate welding area 187 NDE

Figure M.1 underwater equipment PSL tree 191

Table 1 Material requirements 12

Table 2 rated pressure value inside the threaded connection 15

Table 3 minimum design verification testing requirements 21

Table 4 illustrates the pressure test 38

Table 5 ISO (API) flanges rated working pressure and the size range of 41

Table 6 APISBX Pressure self-styled pad ring 43

Table 7 Rated working pressure 34.5MPa (5000psi) flange and bolts of 17SS basic dimensions 46

Table 9 rated working pressure 34.5MPa (5000psi) 17SS type of welding neck flange neck and pore size 48

Table 10 API corrosion resistant ring groove 49 initial processing Detailing

Table 11 rated working pressure 34.5MPa (5000psi) of 17SV flange hub and pore size 51

Table 12 rated working pressure 34.5MPa (5000psi) 17SV flange of the rotating ring and bolts basic dimensions 52

Table 13 rated working pressure 69MPa (10000psi) of 17SV hub flange size 53

Table 14 rated working pressure 69.0MPa (10000psi) 17SV type of flange and bolts basic size 53

Table 15 wellhead systems --- standard size and type 57

Table 16 valve and actuator design and operating parameters 62

Table 17 parallel twin bore diameter from the center of the manifold 63

Table 18a PSL2 valve factory acceptance test file example 66

Table 18b PSL3 valve factory acceptance test file example 67

Table 18c PSL3G valve factory acceptance test file example 68

Table 19 hydraulic drive factory acceptance test file example 69

Flag Table 20 underwater valve 70

Table 21 underwater valve drive flag 70

Table 22 underwater valve 71 and the drive assembly logo

Factory Table 23 hydraulically operated underwater throttle operation test acceptance test record Example 95

Table 24 mechanical operations and (or) with mechanical override operation test of the hydraulic operating underwater throttle factory acceptance test

Record Example 95

Table 25 hydraulic drive factory acceptance test data represents Example 98

Table 26 Underwater throttle factory acceptance test data Table Example 100

Table 27 Underwater throttle data table flag 101

Table 28 Underwater throttle manually drive data table flag 102

Table 29 Underwater throttle hydraulic drive data table flag 102

Table 30 underwater throttle and drive assembly flag 103

Table 31 Test pressure 114

Table 32 casing hanger and wear bushing minimum vertical pore size 116

The minimum vertical hole 119 Table 33 hole protection devices

Table 34 Maximum permissible pressure-induced stress 126

Table 35 Conversion mud line tubing head pressure test assembly --- 133

Table 36 casing hanger and wear bushing minimum vertical pore size 134

The minimum vertical hole 37 hole table protector 137

Table G.1 recommended flange bolt torque (API grease) 160

Table G.2 recommended flange bolt torque (API grease) 160

Table G.3 recommended flange bolt torque (PTFE filled based coating) 161

Table G.4 recommended flange bolt torque (PTFE filled based coating) 162

Table G.5 flange connection tighten record 166

Table K.1 ear plate manufacturing tolerances 178

Table K.2 permanently installed subsea equipment upgrade Dot Design 181

Marked.

This part of the National Oil Drilling Equipment and Tools Standardization Technical Committee (SAC/TC96) and focal points.

This section is responsible for drafting unit. Baoji Petroleum Machinery Co., Ltd.

This section participated in the drafting unit. China National Offshore Oil Corporation, the oil industry well control equipment Quality Supervision and Inspection Center, the state oil and gas wells Port Equipment Quality Supervision and Inspection Center.