GB/T 16750-2015Electrical submersible pump units (English PDF)

4.1 Submersible electric pump unit

4.1.1 Type Drive mode. motor drive. Working style. continuous working system. The schematic diagram of the conventional installation of the submersible electric pump unit is shown in Figure 1. Description. 1

---centralizer; 2

---Inhalation and treatment device; 6

--- cable shield; 7

---pump outlet connector; 9

---lead cable; 10

---single flow valve; 12

---Drain valve; 13

---Power cable; 14

---ground cable; 15

---wellhead device; 16

--- junction box; 17

---control cabinet; 18

---Transformer. Figure

4.2 Motor

4.2.1 Type Three-phase squirrel cage asynchronous motor.

4.2.2 Model representation method YQY --- --- Feature code. GX-high efficiency type; FF-anti-corrosion type; GZ-high load Location code. D-single section; S-upper section; T-universal section; X-lower section Power, kW Motor series Motor code Feature code. It is represented by letters. When there are multiple features coexisting, the corresponding multiple feature codes can be used, and the feature code is left oblique. Separated by bars. Example. The 114 series upper section and the anti-corrosion type high load bearing motor with a power of 45kW are shown as YQY114-45S-FF/GZ.

4.3 Protector

4.3.1 Type Divided by structure.

a) precipitation type;

b) Capsule type.

4.3.2 Model representation method QYH - -/--- Feature code. FF-anti-corrosion type; FS-sand-proof type; GZ-high load bearing; GW-high temperature Location code. S-upper section; X-lower section Structure. C-precipitation; J-capsule Protector series Protector code Feature code. It is represented by letters. When there are multiple features coexisting, the corresponding multiple feature codes can be used, and the feature code is left oblique. Separated by bars. Example. The 130 series capsule type anti-corrosion type high load upper protection device for submersible electric pump unit is expressed as. QYH130J/S-FF/GZ.

4.4 Inhalation and treatment device

4.4.1 Type Divided by structure.

b) the suction inlet;

c) Gas processor.

4.4.2 Model representation method QYX - --- Feature code. HZ-with guard type; SJ-two-stage series; FS-sand type; FF-anti-corrosion type; GX-high efficiency type; C-sedimentation type; X-rotary type Structure. F-separator; K-suction port; Q-gas processor Inhalation and treatment device series Inhalation and treatment device code Feature code. It is represented by letters. When there are multiple features coexisting, the corresponding multiple feature codes can be used, and the feature code is left oblique. Separated by bars. Example. The 98 series rotary sand control type separator for submersible electric pump unit is expressed as. QYX98F-X/FS.

4.5 Pump

4.5.1 Model representation method QYB ---/- --- Feature code. FS-anti-corrosion type; FF-anti-corrosion type; XJ-inclined well; FG-anti-scaling type; CY- heavy oil Location code. S-upper section; T-universal section; X-lower section Rated head, m Rated displacement, m3/d Pump series Pump code Feature code. It is represented by letters. When there are multiple features coexisting, the corresponding multiple feature codes can be used, and the feature code is left oblique. Separated by bars. Example. The 98 series sand-proof and anti-corrosion type upper pump with rated displacement of 250m3/d and rated head of 500m is expressed as. QYB98-250/500S-FS/FF.

4.5.2 Pump outlet connector selection Pump outlet joints are available with different tubing sizes and internal threads according to user requirements.

4.6 Cable

4.6.1 Shape feature code Shape feature code representation method.

a) round, indicated by Y;

b) Flat, omitted.

4.6.2 Insulation material code Insulation material code representation method.

a) polypropylene (including modified polypropylene), denoted by P;

b) Ethylene-propylene rubber, denoted by E;

c) cross-linked polyethylene, denoted by YJ;

d) Polyimide-F46 composite film/ethylene propylene rubber combined insulation, denoted by YE;

e) Polyimide-F46 composite film/polyfluoroethylene propylene combination insulation, expressed in YF.

4.6.3 Sheath (including inner sheath) material code The sheath material code representation method.

a) lead (lead alloy), denoted by Q;

b) Ethylene-propylene rubber, denoted by E;

c) chlorosulfonated polyethylene, denoted by H;

d) a nitrile-polyvinyl chloride complex, denoted by F;

4.7 Transformer

4.7.1 Type Three-phase transformer.

4.7.2 Model representation QYSS - - ---/- Secondary voltage, kV Primary voltage, kV Capacity, kVA Oil immersion (omitted); C-dry Transformer design serial number, the number is 9, 10, 11, the greater the number represents the transformer itself Lower loss Transformer code Example. Design a serial number of 9, a capacity of 100kVA, a primary voltage of 6kV, a secondary voltage of 1.5kV, a three-phase oil-immersed three-coil transformer for a submersible electric pump is expressed as. QYSS9100-6/1.5

4.7.3 Voltage The primary voltage of the transformer should be suitable for the local power grid conditions, and the secondary voltage should be multi-speed to compensate for the voltage drop of the submersible cable under different pumps.

4.7.4 Additional winding Additional windings can be added to the transformer when required by the user.

4.8 Control cabinet

4.8.1 Type High pressure or low pressure.

4.8.2 Model representation QYK - --- Rated current, A Rated voltage, kV Feature code. SN-indoor; SW-outdoor; HP-offshore platform; BP-inverter Control cabinet code Example. Rated current 60A, rated voltage 3kV Indoor submersible electric pump dedicated control cabinet is expressed as. QYKSN3-60.

4.9 Junction box

4.9.1 Type Outdoor high pressure type.

4.9.2 Model representation JXH - --- Rated current, A Rated voltage, kV Feature code. ordinary (omitted); H-off platform; S-desert Junction box code Example. The junction box for offshore submersible electric pump with rated current 60A and rated voltage of 3kV is expressed as. JXHH3-60.

5.1 Submersible pump unit requirements

5.1.1 Downhole working conditions The working conditions in the underground are shown in Table 2. Table

2 Downhole working conditions Environmental factors technical indicators remarks Downhole ambient temperature/°C 90,120,150,180 greater than 180 °C according to the agreement Pump suction port fluid viscosity/(mm2/s) <=

7 When the well fluid viscosity is greater than 7mm2/s need to be corrected, according to the agreement Pump suction gas-liquid ratio GLR <=

0.3 is greater than

0.3 when executed according to the agreement When the submersible electric pump is working, the motor casing well fluid flow velocity v/(m/s) >=

0.3 is less than

0.3 when executed according to the agreement. When the sand content in the well fluid/(g/m3) <= 500 is greater than 500g/m3, according to the agreement Full-angle rate of change/(°/30m) <=

3 When more than 3 °/30 m, according to the agreement Corrosive gases are not available, executed according to the agreement Nothing to do, according to the agreement

5.1.2 Ground environmental conditions The ground environment should meet the following conditions.

a) Ambient temperature. -40 ° C ~ 40 ° C;

b) Relative humidity. the annual average is not more than 85%;

c) the altitude does not exceed 1000m;

d) When the ground environment conditions are special, follow the agreement between the manufacturer and the user.

5.2.1 Motor

5.2.1.1 It should have good sealing performance. Under the pressure of 0.35MPa, keep the test ...

6.5 Respectively For

6.4.1 and 6.4.2, change 6.5.1~

6.5.7 to 6.4.2.1~

6.5.8 to 6.4.3 (see 6.4, 6.4, 6.5) of the.2008 edition;

---In the "nameplate" of motors, protectors, suction and treatment devices, pumps, cables, transformers and control cabinets, the contents of the "site" have been added. (see 7.1.1, 7.1.2, 7.1.3, 7.1.4, 7.1.5,

7.1.6 and 7.1.7);

--- Added "junction box nameplate" requirements in the "identification" (see 7.1.8);

--- Revised the "protection requirements for submersible pump units" (see 7.2.2,

7.2.3 and 7.2.4,.2008, 7.2.2,

7.2.3 and 7.2.4);

--- Revised the "Storage Requirements for Motors, Protectors and Control Cabinets" (see

7.4.1 and 7.4.4,.2008, 7.4.1,

7.4.2 and 7.4.5). This standard is proposed and managed by the National Petroleum Drilling Equipment and Tools Standardization Technical Committee (SAC/TC96). This standard was drafted. Daqing Oilfield Lishen Pump Co., Ltd., Shengli Oilfield Shengli Pump Co., Ltd., National Electric Submersible Pump Quality Supervision and Inspection Center, Bohai Petroleum Equipment (Tianjin) Zhongcheng Machinery Manufacturing Co., Ltd., China National Offshore Oil (China) Co., Ltd. Tianjin Branch the company. The main drafters of this standard. Li Bin, Wang Wei, Zheng Gui, Zhou Maoqun, Zhang Hongcheng, Fu Mingsen, Zhang Tiegang, Shi Zhongwu, Wang Zhaolan, Du Xiangzhi, Pang Xiangdong, Wang Nianxing, Sun Liangwei, Wang Weijun, Chen Hong, Zhou Huailiang. The previous versions of the standards replaced by this standard are.

---GB/T 16750.1-1997;

---GB/T 16750.2-1997;