An electronically controlled storage type oil well layered pressure gauge
A storage type and pressure measuring instrument technology, which is applied in measurement, wellbore/well components, earthwork drilling and production, etc., can solve the problems of non-main layer output not working hard, affecting long-term stable production, and oil well water breakthrough time and output status are very different. , to achieve the effects of improving recovery, prolonging production life, and alleviating interlayer and intralayer conflicts
Inactive Publication Date: 2015-08-19
NORTHEAST GASOLINEEUM UNIV
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Problems solved by technology
As a result, the water breakthrough time, water content and the output of each layer of the oil well are very different. In severe cases, even the non-main layer has little or no output at all. Ultimate recovery rate, which restricts the production life of the oil well and seriously affects the long-term stable production
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[0041] In the following, the present invention will be further explained by way of specific embodiments in conjunction with the drawings:
[0042] As shown in Figure 1: 1-connecting sleeve, 2-fishing rod, 3-positioning arm seat, 4-plug board, 5-plug spring, 6-spring washer, 7-positioning arm pin, 8-positioning Support arm, 9-positioning support arm torsion spring.
[0043] As shown in Figure 2: 10-connecting shaft, 11- leather bowl, 12- leather bowl pressing cap, 13- middle seat envelope, 14- lower seat envelope.
[0044] As shown in Figure 3: 15-pressure gauge housing, 16-pressure gauge, 17-seal ring, 18-connecting shaft, 19-connecting ring, 20-sliding housing, 21-push-pull rod, 22-seal ring, 23-connection Body, 24-drive shaft, 25-seal, 26-T washer, 27-first bearing, 28-second bearing, 29-bearing washer, 30-bearing washer, 31-coupling, 32-motor protection Rotary frame, 33-motor jacket, 34-motor, 35-sealing ring, 36-circuit board connector, 37-circuit board holder, 38-circuit boar...
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An electric control storage type oil well layered pressure gauge comprises a sealing pressure testing mechanism and a mechanical releasing mechanism, wherein a connecting sleeve of the mechanical releasing mechanism and a base of the sealing pressure testing mechanism are connected and disconnected in a threaded mode. The electric control storage type oil well layered pressure gauge further comprises a control module, a single-chip microcomputer, a transmission cable, an internal motor, a transmission shaft and a locating supporting arm. The sealing pressure measuring mechanism further comprises a drive motor, a bearing shaft, a connecting rod, a leather cup, a pressure sensor, a temperature sensor, a flow sensor and a data storage unit. After the control module receives testing signals of a ground host machine, control instructions are sent out through the single-chip microcomputer, external pressure is sensed through the pressure sensor, pressure data are connected through the pressure sensor, meanwhile, obtained real-time data are stored in the data storage unit through the temperature sensor and the flow sensor, and data collecting work is completed.
Description
technical field [0001] The invention belongs to a pressure testing instrument, in particular to a layered pressure testing instrument used in oil wells. Background technique [0002] With the continuous deepening of multi-layer development in my country's oilfields, the formation pressure changes greatly, the water content of some reservoirs gradually increases, and the conflict between layers is prominent, and the combined mining cannot effectively produce the target layer. After water flooding in the oil field, the advancement speed of the groundwater line varies greatly. As a result, the water breakthrough time, water content and the output of each layer of the oil well are very different. In severe cases, even the non-main layer has little or no output at all. The ultimate recovery rate restricts the production life of the oil well and seriously affects the long-term stable production. Therefore, formation pressure is a very important basic data in the process of oilfi...
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IPC IPC(8): E21B47/06
Inventor 刘伟姜春雷徐德奎葛彦良佟强姚国斌
Owner NORTHEAST GASOLINEEUM UNIV