CN212479185U - Water injection testing and regulating and stratum pressure testing integrated device - Google Patents

Abstract

The utility model discloses a water injection measure and regulate and stratum pressure measurement integrated device, including the positioning mechanism who fixes a position when setting up to survey and measure the pressure, set up to the packing mechanism of packing water injection mandrel pressure measurement hole, set up to drive positioning mechanism and packing actuating mechanism of mechanism and set up to the measure and regulate mechanism and the control pressure measurement mechanism of adjusting water injection mandrel pressure measurement hole, control pressure measurement mechanism sets up between packing mechanism and measure and regulate mechanism, control pressure measurement mechanism is connected with actuating mechanism and measure and regulate mechanism, and set up to control actuating mechanism drive positioning mechanism and switch between pressure measurement position and measure and regulate position, and when measuring and regulating the position, control measure and regulate mechanism and adjust water injection mandrel pressure, when the pressure measurement position, control measure and regulate mechanism and open and close pressure measurement hole and measure the stratum static pressure on the water injection mandrel. The embodiment of the utility model provides a through packing separate the mechanism with measure and regulate the mechanism and integrate together, shortened the activity duration, reduce the operating cost, improve the operating efficiency.

Description

Water injection testing and regulating and stratum pressure testing integrated device

Technical Field

The utility model relates to an oil development technical field, more specifically relates to a water injection measure and regulate and stratum pressure measurement integrated device.

Background

At present, the frequency of measurement and adjustment of offshore oilfield water injection wells is more and more intensive, namely, the frequency is changed from once a year to twice a year, and then the frequency is changed to once a quarter, and even more, so that the workload of measurement and adjustment operation is increased by more than 4 times. The traditional testing and debugging operation of integrated separate injection needs to adopt a plurality of times of cable operation to respectively enter a seal checking tool and a testing and debugging tool, so that the operation time is long, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a water injection measure and regulate and stratum pressure measurement integrated device for solve the long and problem of inefficiency of present measure and regulate activity duration.

The embodiment of the utility model provides a water injection measure and regulate and stratum pressure measurement integrated device, including the positioning mechanism who fixes a position when setting up to survey and measure the pressure, set up to the packing mechanism of packing water injection mandrel pressure measurement hole, set up to drive positioning mechanism and packing actuating mechanism of mechanism and set up to the measure and regulate mechanism and the control pressure measurement mechanism of adjusting water injection mandrel water injection quantity and switch water injection mandrel pressure measurement hole, control pressure measurement mechanism sets up between packing mechanism and measure and regulate mechanism, control pressure measurement mechanism is connected with actuating mechanism and measure and regulate mechanism, and set up to control actuating mechanism drive positioning mechanism and switch between pressure measurement position and measure and regulate position, and when measuring and regulating the position, control measure and regulate mechanism and adjust water injection quantity of water injection mandrel, when the pressure measurement position, control measure and regulate mechanism and open and close pressure measurement hole and measure stratum static pressure on the water injection mandrel.

The embodiment of the utility model provides a through will seal and separate the mechanism and measure and regulate the mechanism and integrate together to through control pressure measurement mechanism control respectively seals and separate the mechanism and measure and regulate the mechanism operation, realize that a cable is gone into the well operation and can measure and regulate in different layers, can also measure formation static pressure in different layers and test and seal, satisfy the technological demand of offshore oil field water injection development, shortened the activity duration, adapted to the work load that increases rapidly, reduce the operating cost, improve the operating efficiency.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.

FIG. 1 is a combination diagram of the water injection testing and regulating and formation pressure measuring integrated device and the water distributor according to the embodiment of the present invention;

fig. 2A is a first cross-sectional view of a part of an integrated device for water injection testing and adjustment and formation pressure measurement according to an embodiment of the present invention;

FIG. 2B is a first cross-sectional view of another part of the integrated apparatus for water injection testing and formation pressure testing of the present invention;

fig. 3A is a sectional view of a part of an integrated device for water injection testing and adjustment and formation pressure measurement according to an embodiment of the present invention;

fig. 3B is a second cross-sectional view of another part of the integrated device for water injection testing and formation pressure testing according to the embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

With the increasing frequency of the offshore water injection well, the traditional measuring and adjusting operation mode can not meet the current operation requirement, and the development of the water injection measuring and adjusting and formation pressure measuring integrated device with short operation time and high efficiency becomes the urgent requirement in the field of the current offshore water injection well measuring and adjusting.

In order to solve the problems of long operation time and low efficiency of the current testing and adjusting, the embodiment of the utility model provides an integrated device of water injection testing and adjusting and formation pressure measuring, which comprises a positioning mechanism arranged for positioning during testing and adjusting pressure, a packing mechanism arranged for packing a pressure measuring hole of a water distributor, a driving mechanism arranged for driving the positioning mechanism and the packing mechanism, a testing and adjusting mechanism arranged for adjusting the water injection quantity of the water distributor and opening and closing the pressure measuring hole of the water distributor, and a control pressure measuring mechanism, wherein the control pressure measuring mechanism is arranged between the packing mechanism and the testing and adjusting mechanism, the control pressure measuring mechanism is connected with the driving mechanism and the testing and adjusting mechanism, and is set to control the driving mechanism to drive the positioning mechanism to switch between the pressure measuring position and the measuring and adjusting position, and control the measuring and adjusting mechanism to adjust the water injection quantity of the water distributor when the measuring and adjusting position is reached, and when the pressure measuring position is reached, the measuring and adjusting mechanism is controlled to open and close a pressure measuring hole on the water distributor and measure the static pressure of the stratum.

In an exemplary embodiment, the positioning mechanism is disposed between the driving mechanism and the packing mechanism, the driving mechanism includes a first transmission shaft, the positioning mechanism includes a second transmission shaft, the packing mechanism includes a third transmission shaft, one end of the second transmission shaft is connected with the first transmission shaft, and the other end of the second transmission shaft is connected with the third transmission shaft.

In an exemplary embodiment, the driving mechanism includes a driving housing enclosing a first central cavity and a first driving structure disposed in the first central cavity and connected to an end of the first transmission shaft remote from the second transmission shaft.

In an exemplary embodiment, the positioning mechanism includes a fixed sealing shell and a positioning structure, one end of the fixed sealing shell, which is close to the driving mechanism, is connected to the driving housing, the fixed sealing shell includes a second central cavity configured to penetrate through the second transmission shaft, and the positioning structure is disposed on the fixed sealing shell and configured to be switchable between a measurement position and a pressure measurement position under driving of the second transmission shaft.

In an exemplary embodiment, the fixed seal shell further comprises a first windowing part arranged on the side wall of the fixed seal shell and exposing the second transmission shaft, and a mounting groove arranged on the side wall of the fixed seal shell and opened towards the driving mechanism, the positioning structure comprises a positioning claw arranged on the water distributor in a clamping manner, an elastic part arranged between the positioning claw and the bottom of the mounting groove, and a positioning top block connected with the second transmission shaft through the first windowing part in a threaded manner, and the positioning top block is arranged to apply pressure on the positioning claw under the driving of the second transmission shaft and enable the positioning claw to be switched between the measuring and adjusting position and the pressure measuring position.

In an exemplary embodiment, the positioning pawl comprises a positioning portion and a supporting portion hinged to the positioning portion, one end, away from the positioning portion, of the supporting portion is abutted to the elastic piece and limited in the mounting groove, one side, facing the positioning pawl, of the positioning top block is provided with a first inclined surface and a first plane, the first inclined surface is closer to the second transmission shaft relative to the first plane, the first inclined surface is arranged to enable the positioning portion to extend out of the side wall surface of the fixed sealing shell in the direction away from the second transmission shaft when the positioning pawl is pressed, and the first plane is arranged to enable the positioning portion to move in the direction away from the driving mechanism in the axis direction of the second transmission shaft when the positioning pawl is pressed.

In an exemplary embodiment, the fixed sealing shell includes a first receiving groove disposed on a sidewall of the fixed sealing shell and having an opening facing away from the second transmission shaft, and the positioning mechanism further includes a rotation preventing arm disposed in the first receiving groove, the rotation preventing arm being configured to at least partially extend out of the first receiving groove and be retracted into the first receiving groove under an external force.

In an exemplary embodiment, the packing mechanism includes packing shell and packing structure, the packing shell is close to the one end of positioning mechanism and is connected with fixed seal shell, the packing shell is including setting up to wear to establish the third central cavity of third transmission shaft and set up the second window that exposes the third transmission shaft on fixed seal shell lateral wall, the packing structure is including the gum cover and the pressure cover of locating the packing shell outside, the pressure cover passes through the second window and is connected with the third transmission shaft screw thread, the pressure cover sets up to compress and tensile gum cover under the drive of third transmission shaft makes the sealed laminating of gum cover and the inner wall of water injection mandrel and separation, with the realization to packing and the deblocking of pressure measurement hole.

In an exemplary embodiment, an overpressure channel extending along the axial direction of the third transmission shaft is formed between the third transmission shaft and the packing casing, and an overpressure hole communicated with the overpressure channel is formed in the pressing sleeve.

In an exemplary embodiment, the measuring and adjusting mechanism comprises a measuring and adjusting structure which is arranged to be clamped with a pressure measuring adjusting sleeve and a flow adjusting sleeve of the water distributor and a second driving structure which is arranged to drive the measuring and adjusting structure to adjust the water injection quantity of the water distributor and switch a pressure measuring hole of the water distributor, the measuring and adjusting structure is sleeved on the outer side of the second driving structure, and the end part, close to the control pressure measuring mechanism, of the second driving structure is connected with the control pressure measuring mechanism.

In an exemplary embodiment, the second driving structure includes a rotating shaft, a motor sealing cylinder and a rotating sleeve, the motor is disposed in the motor sealing cylinder, the rotating shaft is disposed between the pressure measuring mechanism and the motor sealing cylinder, the rotating sleeve is sleeved outside the motor sealing cylinder and connected to an output end of the motor, and the measuring and adjusting structure is sleeved outside the rotating shaft and connected to the rotating sleeve.

In an exemplary embodiment, the measuring and adjusting structure includes a rotating shell and an adjusting arm, the rotating shell is sleeved outside the rotating shaft and connected to the rotating sleeve, the rotating shell includes a second receiving groove disposed on a side wall of the rotating shell and having an opening facing away from the rotating shaft, the adjusting arm is disposed in the second receiving groove, and the adjusting arm is disposed to at least partially extend out of the second receiving groove and can be retracted into the second receiving groove under an external force.

In an exemplary embodiment, the control pressure measuring mechanism includes a control shell, a circuit control board and a pressure temperature sensor, the control shell is respectively connected with the packing shell and the rotating shaft, the control shell includes a first accommodating cavity arranged on a side wall of the control shell and a second accommodating cavity communicated with the first accommodating cavity and the overpressure channel, the circuit control board is arranged in the first accommodating cavity, the temperature pressure sensor is arranged in the second accommodating cavity, the circuit control board is connected with the first driving structure, the second driving structure and the pressure temperature sensor, the circuit control board is arranged to receive control information of the ground control system and send the control information to the first driving structure and the second driving structure, and send information detected by the pressure temperature sensor to the ground control system.

In an exemplary embodiment, the second transmission shaft, the third transmission shaft and the rotating shaft are all hollow structures, the first driving structure is connected with the circuit control board through a first cable penetrating through the hollow structures of the second transmission shaft and the third transmission shaft, and the second driving structure is connected with the circuit control board through a second cable penetrating through the hollow structure of the rotating shaft.

In an exemplary embodiment, the control pressure measuring mechanism further comprises a first plug connector arranged at one end of the control shell close to the testing and adjusting mechanism, the testing and adjusting mechanism further comprises a second plug connector arranged at one end of the rotating shaft close to the control pressure measuring mechanism and matched with the first plug connector in a plugging mode, the first cable is connected with the first plug connector, the second cable is connected with the second plug connector, a wire passing channel communicated with the first accommodating cavity and the second plug connector is arranged at one end of the control shell close to the testing and adjusting mechanism, a third cable for connecting the circuit control board with the second plug connector is arranged in the wire passing channel, and the third cable is respectively connected with the first cable and the second cable through the first plug connector and the second plug connector.

The technical scheme of the integrated device for water injection testing and regulating and formation pressure testing of the embodiment of the utility model is specifically described below with the accompanying drawings.

Fig. 1 is a combination diagram of the water injection testing and regulating and formation pressure measuring integrated device and the water distributor according to the embodiment of the present invention.

As shown in fig. 1, the water distributor 100 is an important device for realizing stratified injection allocation in the oil production process, and the water distributor 100 comprises a shell 110, and an anti-rotation sleeve 120, a pressure measuring structure 130, a pressure measuring adjusting sleeve 140 and a flow adjusting sleeve 150 which are coaxially arranged in the shell 110. The anti-rotation sleeve 120 is provided with a pressure measuring hole 121 and an anti-rotation hole 122 which are communicated with the clearance between the water distributor 100 and the stratum. The pressure measuring structure 130 is disposed between the rotation preventing sleeve 120 and the housing 110, and the pressure measuring structure 130 is provided with a pressure measuring passage communicated with the pressure measuring hole 121 and an on-off valve 131 configured to open and close the pressure measuring passage. The pressure measuring adjusting sleeve 140 is provided with a pressure measuring adjusting structure 141 and a touch structure 142, the pressure measuring adjusting structure 141 is configured to cooperate with the seal inspection device to control the touch structure 142 to open or close the on-off valve 132, so as to open or close the pressure measuring hole 122, and the pressure measuring adjusting structure 141 can be an adjusting hole or an adjusting groove provided on the pressure measuring adjusting sleeve 140. The flow regulating sleeve 150 is provided with a flow regulating structure 151, and the flow regulating structure 151 is arranged to cooperate with a measuring and regulating device to regulate the flow of water injected into the stratum by the water distributor 100. The flow regulating structure 151 may be a regulating hole or a regulating groove provided on the flow regulating sleeve. At present, the testing and debugging operation of testing and debugging integrated separate injection needs to adopt a plurality of cable operations to respectively enter a seal checking device and a testing and debugging device, the operation time is long, and the working efficiency is low.

As shown in FIG. 1, the embodiment of the present invention provides an integrated device 200 for water injection, measurement and adjustment and formation pressure measurement, which can realize the operation of completing measurement and adjustment and pressure measurement in one well. The water injection measuring and regulating and formation pressure measuring integrated device 200 comprises a positioning mechanism 210, a packing mechanism 220, a driving mechanism 230, a measuring and regulating mechanism 240 and a control pressure measuring mechanism 250, wherein the positioning mechanism 210 is used for positioning during measuring and measuring pressure, the packing mechanism 220 is used for packing a pressure measuring hole of a water distributor, the driving mechanism 230 is used for driving the positioning mechanism 210 and the packing mechanism 220, the measuring and regulating mechanism 240 is used for regulating the water injection amount of the water distributor 100 and opening and closing the pressure measuring hole 122 of the water distributor, the control pressure measuring mechanism 250 is arranged between the packing mechanism 220 and the measuring and regulating mechanism 230, the control pressure measuring mechanism 250 is connected with the driving mechanism 230 and the measuring and regulating mechanism 230 and is used for controlling the driving mechanism 230 to drive the positioning mechanism 210 to switch between a pressure measuring position and a measuring and regulating position, the control measuring and regulating mechanism 240 is used for regulating the water injection amount of the water distributor 100 when the measuring and.

The embodiment of the utility model provides a through sealing mechanism and measure and regulate the mechanism and integrate together, seal mechanism and measure and regulate the mechanism and operate respectively through control pressure measurement mechanism control, realize that a cable is gone into the well operation and can measure and regulate in different layers, can also measure the stratum static pressure in different layers, satisfy the technological demand of offshore oil field water injection development, shortened the activity duration, adapted to the work load that increases rapidly, reduce the operating cost, improve the operating efficiency.

Fig. 2A is the utility model provides a water injection is measured and is transferred and the sectional view of formation pressure measurement integrated device partly one, fig. 2B is the utility model discloses a water injection is measured and is transferred and the sectional view of formation pressure measurement integrated device another part one, fig. 3A is the utility model discloses a water injection is measured and is transferred and the sectional view of formation pressure measurement integrated device partly two, fig. 3B is the utility model provides a water injection is measured and is transferred and the sectional view of formation pressure measurement integrated device another part two.

In an exemplary embodiment, as shown in fig. 2A, the positioning mechanism 210 is disposed between the driving mechanism 230 and the packing mechanism 220, the driving mechanism 230 includes a first transmission shaft 231, the positioning mechanism 210 includes a second transmission shaft 211, the packing mechanism 220 includes a third transmission shaft 221, one end of the second transmission shaft 211 is connected to the first transmission shaft 231, and the other end of the second transmission shaft 211 is connected to the third transmission shaft 221. The second transmission shaft 211 and the third transmission shaft 221 driven by the first transmission shaft 231 move simultaneously.

In an exemplary embodiment, as shown in fig. 2A, drive mechanism 230 includes a drive housing 232 and a drive structure 233. The drive housing 232 defines a first central cavity, an end of the drive housing 232 proximate to the positioning mechanism 210 is coupled to the positioning mechanism 210, and an end of the drive housing 232 distal from the positioning mechanism 210 defines an upper joint 234. The first driving structure 233 is disposed in the first central cavity, and an output end of the first driving structure 233 is connected to an end of the first transmission shaft 231, which is far away from the second transmission shaft 211. In one example, the first driving structure 233 includes a first motor 2331 and a first motor sealing assembly 2332 sleeved outside the first motor 2331, an output shaft of the first motor 2331 is connected to the first transmission shaft 231 through a coupling, and an end of the first motor sealing assembly 2332 close to the positioning mechanism 210 is connected to the positioning mechanism 210, so as to fix the first motor 2331 in the driving housing 232. In this embodiment, the first transmission shaft 231 may be a lead screw structure, and the first driving motor drives the first transmission shaft to rotate clockwise or counterclockwise.

In an exemplary embodiment, as shown in FIG. 2A, the positioning mechanism 210 includes a stationary seal housing 212 and a positioning structure 213. The end of the stationary seal housing 212 adjacent the drive mechanism 230 is connected to a drive housing 232. The stationary seal housing 212 includes a second central cavity disposed to penetrate the second transmission shaft 211, a first window 2121 disposed on a sidewall of the stationary seal housing 212 and exposing the second transmission shaft 211, and a mounting groove 2122 disposed on a sidewall of the stationary seal housing 212 and opened toward the driving mechanism 230. The positioning structure 213 comprises a positioning claw 2131 arranged to be clamped on the water distributor, a first elastic piece 2132 arranged between the positioning claw 2131 and the bottom of the mounting groove 2122, and a positioning ejector block 2133 which is in threaded connection with the second transmission shaft 211 through a first windowing 2121 and is arranged to press the positioning claw 2131 under the driving of the second transmission shaft 211 and enable the positioning claw 2131 to be switched between a pressure measuring position and a measuring and adjusting position. In one example, the positioning pawl 2131 includes a positioning portion 2131a and a supporting portion 2131b hinged to the positioning portion 2131a, and one end of the supporting portion 2131b, which is away from the positioning portion 2131a, abuts against the first elastic piece 2132 and is limited in the mounting groove 2122. In another example, a side of the positioning top block 2133 facing the positioning pawl 2131 has a first inclined surface 2133a and a first flat surface 2133b, the first inclined surface 2133a is closer to the second transmission shaft 211 than the first flat surface 2133b, the first inclined surface 2133a is configured to enable the positioning portion 2131a to extend out of the side surface of the fixed seal housing 212 in a direction away from the second transmission shaft 211 when the positioning pawl 2131 is pressed, and the first flat surface 2133b is configured to enable the positioning portion 2131a to move in a direction away from the driving mechanism 230 along the axial direction of the second transmission shaft 211 when the positioning pawl is pressed. In this embodiment, the second transmission shaft 211 may have a lead screw structure, and when the second transmission shaft 211 rotates clockwise, the positioning top block 2133 moves downward to press the positioning pawl 2131 and extend the positioning portion 2131a out of the side surface of the fixed seal housing 212.

In an exemplary embodiment, as shown in fig. 3A, the positioning mechanism 210 further includes an anti-rotation arm 214 disposed on a sidewall of the fixed sealing shell 212, and the anti-rotation arm 214 is configured to cooperate with an anti-rotation hole on the water distributor to limit rotation of the integrated device for water injection measurement and adjustment and formation pressure measurement, so as to ensure that measurement and adjustment and pressure measurement are performed smoothly. In an example, the fixed sealing housing 212 includes a first receiving groove 2123 disposed on a sidewall of the fixed sealing housing 212 and opened away from the second transmission shaft 211, and the rotation preventing arm 214 is disposed in the first receiving groove 2123. The rotation-preventing arm 214 includes a supporting arm 214a, a roller 214b and a second elastic member 214c, one end of the supporting arm 214a is hinged to the bottom of the first accommodating groove 2123, the other end is provided with the roller 214b, the second elastic member 214c is abutted between the bottom of the first accommodating groove 2123 and the supporting arm 214a, and the second elastic member 214c is configured to enable the roller 214b to at least partially protrude out of the first accommodating groove 2123 and to be retracted into the first accommodating groove 2123 under an external force, in other words, the rotation-preventing arm 214 is configured to at least partially protrude out of the first accommodating groove 2123 and to be retracted into the first accommodating groove 2123 under an external force. In this embodiment, the external force is the thrust applied to the anti-rotation arm by the anti-rotation sleeve of the water distributor and the like, so that the anti-rotation arm can be conveniently retracted and the water injection, measurement and adjustment and formation pressure measurement integrated device can enter the well.

In an exemplary embodiment, as shown in FIGS. 2A and 3A, the packing mechanism 220 includes a packing casing 222 and a packing structure 223. One end of the packing casing 222 close to the positioning mechanism 210 is connected to the fixed sealing casing 212, and the packing casing 222 includes a third central cavity configured to penetrate through the third transmission shaft 221 and a second window 2221 disposed on a side wall of the packing casing 222 and exposing the third transmission shaft 221. The packing structure 223 comprises a rubber sleeve 2231 and a pressing sleeve 2232 which are sleeved on the outer side of the packing shell 222, the pressing sleeve 2232 is in threaded connection with the third transmission shaft 221 through a second windowing 2221, and the pressing sleeve 2232 is arranged to compress and stretch the rubber sleeve 2231 under the driving of the third transmission shaft 221 so as to enable the rubber sleeve to be in sealing fit with and separated from the inner wall of the water distributor, so that the packing and unpacking of the pressure measuring hole are realized. An overpressure channel 224 extending along the axial direction of the third transmission shaft 221 is formed between the third transmission shaft 221 and the packing casing 222, and an overpressure hole 225 communicating with the overpressure channel 224 is provided on the pressing sleeve 2232. In one example, the two rubber sleeves 2231 and the two pressing sleeves 2232 are provided, the pressing sleeve 2232 is disposed between the two rubber sleeves 2231, the rubber sleeve 2231 abuts between the pressing sleeve 2232 and the packing casing 222, and the pressing sleeve 2232 is configured to compress or stretch the rubber sleeve 2231 adjacent to the pressing sleeve 2232 under the driving of the third driving shaft 221. In one example, as shown in fig. 2A, the upper rubber sleeve is a first rubber sleeve 2231a, the pressing sleeve adjacent to the first rubber sleeve 2231a is a first pressing sleeve 2232A, the lower rubber sleeve is a second rubber sleeve 2231b, the pressing sleeve adjacent to the second rubber sleeve 2231b is a second pressing sleeve 2232A, and the third transmission shaft 221 rotates clockwise, the first pressing sleeve 2232A compresses the first rubber sleeve 2231a, and the second pressing sleeve 2232b compresses the second rubber sleeve 2231a, so that the first rubber sleeve 2231a and the second rubber sleeve 2231b are in sealing fit with the inner wall of the water distributor. When the third transmission shaft 221 rotates counterclockwise, the first pressing sleeve 2232a stretches the first rubber sleeve 2231a, and the second pressing sleeve 2232b stretches the second rubber sleeve 2231b, so that the first rubber sleeve 2231a and the second rubber sleeve 2231b are separated from the inner wall of the water distributor. In this embodiment, the rubber sleeve may be a leather cup structure, and is not limited herein.

In an exemplary embodiment, as shown in fig. 2B, the measuring and adjusting mechanism 240 includes a measuring and adjusting structure 241 configured to be engaged with a pressure measuring adjusting sleeve and a flow rate adjusting sleeve of the water distributor, and a second driving structure 242 configured to drive the measuring and adjusting structure to adjust the water injection rate of the water distributor and to open and close a pressure measuring hole of the water distributor, wherein the measuring and adjusting structure 241 is sleeved outside the second driving structure 242, and an end portion of the second driving structure 242 near the pressure measuring mechanism 250 is connected to the pressure measuring mechanism 250.

In an exemplary embodiment, as shown in fig. 2B, the second driving structure 242 includes a rotating shaft 2421, a second motor 2422, a second motor sealing cylinder 2423 and a rotating sleeve 2424, the second motor 2422 is disposed in the second motor sealing cylinder 2423, the rotating shaft 2421 is disposed between the control pressure measuring mechanism 250 and the second motor sealing cylinder 2423, the rotating sleeve 2424 is sleeved outside the second motor sealing cylinder 2423 and connected to an output end of the second motor 2422, and the measurement and adjustment structure 241 is sleeved outside the rotating shaft 2421 and connected to the rotating sleeve 2424.

In an exemplary embodiment, as shown in fig. 2B, the metering structure 241 includes a rotating housing 2411 and an adjustment arm 2412. The rotating shell 2411 is sleeved on the rotating shaft 2421 and connected to the rotating sleeve 2424, the rotating shell 2411 includes a second receiving groove 2411a formed in a side wall of the rotating shell 2411 and having an opening facing away from the rotating shaft 2421, and the adjusting arm 2412 is disposed in the second receiving groove 2411a and is configured to extend out of the second receiving groove 2411a at least partially and be retracted into the second receiving groove 2411a under an external force. The adjusting arm 2412 includes an adjusting plate 2412a and a third elastic member 2412b, one end of the adjusting plate 2412a is hinged to the bottom of the second receiving groove 2411a, the other end is configured as a fastening end, the third elastic member 2412b is abutted between the bottom of the second receiving groove 2411a and the adjusting plate 2412a, and the third elastic member 2412b is configured to enable the fastening end to extend out of the second receiving groove 2411a and to be retracted into the second receiving groove 2411a under the action of an external force. In this embodiment, the external force is the thrust applied to the adjusting arm by the anti-rotation sleeve, the pressure measurement adjusting sleeve and the like of the water distributor, so that the adjusting arm can be conveniently retracted and the water injection, measurement and adjustment and formation pressure measurement integrated device can enter the well.

In an exemplary embodiment, as shown in fig. 3B, the trimming mechanism 240 further includes a speed reducing structure 243, the speed reducing structure 243 is disposed at an end of the second driving structure 242 away from the trimming structure 241, the second motor 2422 is connected to the rotating sleeve 2424 through the speed reducing structure 243, and the speed reducing structure 243 adopts a speed reducing principle and is configured to increase the output torque of the second motor 2422. In one example, the speed reducing structure 243 includes a driving gear 2431, a driven gear 2432 engaged with the driving gear, and a transmission cylinder 2433 sleeved outside the driven gear 2432 and engaged with the driven gear 2432, wherein the driving gear 2431 is connected to an output shaft of the second motor 2422, and the transmission cylinder 2433 is connected to the rotating sleeve 2424. In another example, the end of the reduction arrangement remote from the second drive arrangement is provided with a bulbous lower joint 244,

in an exemplary embodiment, as shown in fig. 2B and 3B, the control load cell 250 includes a control housing 251, the control shell 251 is respectively connected with the packing shell 232 and the rotating shaft 2421, the control shell 251 comprises a first accommodating cavity 2511 and a second accommodating cavity 2512, the first accommodating cavity 2511 is arranged on the side wall of the control shell 251, the second accommodating cavity 2512 is communicated with the first accommodating cavity 2511 and the overpressure channel 224, the circuit control plate 252 is arranged in the first accommodating cavity 2511, the temperature pressure sensor 253 is arranged in the second accommodating cavity 2512, the circuit control plate 252 is connected with the first driving structure 233, the second driving structure 242 and the pressure temperature sensor 253, the circuit control plate 252 is arranged to receive control information of the ground control system, send the control information to the first driving structure 233 and the second driving structure 142, and send information detected by the pressure temperature sensor 253 to the ground control system.

In an exemplary embodiment, as shown in fig. 2B, the sidewalls of the control housing 251 enclose a fourth central cavity, and the third drive shaft 221 further includes an extension 2211 that extends into the fourth central cavity.

In an exemplary embodiment, as shown in fig. 2A and 2B, the second transmission shaft 211, the third transmission shaft 221 and the rotating shaft 2421 are all hollow structures, the first driving structure 233 is connected with the circuit control board 252 through a first cable penetrating through the hollow structures of the second transmission shaft 211 and the third transmission shaft 221, and the second driving structure 242 is connected with the circuit control board 253 through a second cable penetrating through the hollow structure of the rotating shaft 2421.

In an exemplary embodiment, as shown in fig. 2B, the control pressure measuring mechanism 250 further includes a first plug connector 254 disposed at an end of the control housing 251 close to the testing and adjusting mechanism 240, the testing and adjusting mechanism 240 further includes a second plug connector 245 disposed at an end of the rotating shaft 2421 close to the control pressure measuring mechanism 250 and in plug-in fit with the first plug connector 254, the first cable is connected with the first plug connector 254, the second cable is connected with the second plug connector 245, a wire passing channel communicating the first accommodating cavity 2511 with the second plug connector 245 is disposed at an end of the control housing 251 close to the testing and adjusting mechanism 240, a third cable connecting the circuit control board 252 with the second plug connector 245 is disposed in the wire passing channel, and the third cable is connected with the first cable and the second cable through the first plug connector 254 and the second plug connector 245.

The novel technical scheme of this implementation is further illustrated by the working principle of the integrated device for measuring and adjusting water injection and measuring pressure of the stratum.

As shown in fig. 1, a water distributor 100 is put into an oil well to realize separate layer water injection to the stratum. The water injection, measurement and adjustment and formation pressure measurement integrated device 200 is lowered to an oil well, when the position of a designated water distributor is reached, the pressure measurement mechanism 250 is controlled to receive a ground system control command and transmit the command to the driving mechanism, after the first motor 2331 of the driving mechanism 230 receives the command, the clockwise rotation is started, the positioning top block 2133 is driven by the second transmission shaft 211 to move downwards and press the positioning claw 2131, the positioning part of the positioning claw 2131 moves towards the direction far away from the second transmission shaft 211, the side wall of the fixed sealing shell is extended out and clamped at the top of the anti-rotation sleeve 120, and the anti-rotation arm is inserted into the anti-rotation hole 122. The first motor 2331 adjusts the position of the positioning pawl 2131 so that the adjustment arm 2412 of the adjustment mechanism 240 is inserted into the flow rate adjustment structure 151, and the positioning position of the positioning mechanism 210 is the measurement and adjustment position. And controlling the pressure measuring mechanism to send a command to the second motor 2422, and after receiving the command, the second motor 2422 starts to rotate clockwise, so that the water injection flow of the water distributor 200 is adjusted to be reduced or closed, and the control method is selected according to the actual situation. After the measurement and adjustment are completed, the pressure measurement mechanism 250 is controlled to continuously send an instruction to the driving mechanism 230, after the first motor 2331 of the driving mechanism 230 receives the instruction, the first motor 2331 continuously rotates clockwise, the position of the adjusting arm 2412 is raised relative to the water distributor 200, so that the adjusting arm 2412 is inserted into the pressure measurement adjusting structure 141, meanwhile, the first pressing sleeve and the second pressing sleeve are driven by the third transmission shaft 221 to respectively press the first rubber sleeve 2231a and the second rubber sleeve 2231b, so that the first rubber sleeve 2231a and the second rubber sleeve 2231b are in sealing fit with the inner wall of the water distributor, further, the two sides of the pressure measurement hole 121 in the axial direction of the third transmission shaft 221 are sealed, and at this time, the positioning position of the positioning mechanism is the pressure measurement position. And then the pressure measuring mechanism 250 is controlled to start a command to the second motor 2422 again, and the second motor 2422 rotates clockwise after receiving the command, so that the touch structure 142 touches the switch valve 131 to open the pressure measuring channel, and the formation static pressure reaches the pressure temperature sensor through the pressure measuring channel, the pressure measuring hole and the overpressure channel, so that formation static pressure measurement and seal checking are realized. After the pressure measuring and adjusting operation is completed, the pressure measuring mechanism 250 is controlled to send instructions to the first motor 2331 and the second motor 2422, the second motor 2422 rotates counterclockwise, and the touch structure 142 is controlled to close the switch valve 131, so that the pressure measuring channel is closed. After the pressure measuring channel is closed, the first motor 2331 rotates anticlockwise, the third transmission shaft 221 drives the first pressing sleeve and the second pressing sleeve to stretch the first rubber sleeve 2231a and the second rubber sleeve 2231b, so that the first rubber sleeve 2231a and the second rubber sleeve 2231b are separated from the inner wall of the water distributor and are unsealed, the second transmission shaft 211 drives the positioning ejector block 2133 to move upwards, and the positioning claw 2131 is retracted. And after the operation is finished, the operation of measuring and adjusting the water distributor of the current stage and measuring the pressure of the stratum is finished. It should be noted that the pressure measuring position is also a seal checking position, and is not specifically limited herein.

Through the utility model discloses a theory of operation can find out, and water injection measure and regulate once goes into the well operation with stratum pressure measurement integrated device, through adjusting positioning mechanism's locating position, one time cable work can realize that the layering is tested and is sealed, water injection quantity layered adjustment and layered measurement stratum pressure function, has shortened the activity duration, has promoted the operating efficiency.

The utility model discloses water injection measure and regulate and stratum pressure measurement integrated device can with prevent returning the water injection mandrel joint practical who tells, have concurrently and prevent returning and tell, pressure measurement and measure and regulate the function, avoided traditional measure and regulate integration to divide the concentric branch injection device to prevent spitting and the layering surveys the problem that stratum static pressure function can only two choices.

In the embodiment of the present invention, the descriptions of some structures such as the sealing ring are omitted, and to those skilled in the art, the sealing ring is disposed at the position where the water injection measurement and adjustment and the formation pressure measurement integrated device need to be sealed, or the bearing is disposed to reduce the rotation resistance of the transmission shaft, which are commonly used technical means of the ordinary technical personnel in the field, therefore, the present invention is not specifically described. The first electrode and the second motor may be collectively referred to as a motor, and the first motor gland and the second motor gland may be collectively referred to as a motor gland.

In the description of the present invention, it should be noted that the terms "upper", "lower", "one side", "the other side", "one end", "the other end", "side", "opposite", "four corners", "periphery", "mouth" word structure "and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the structure referred to has a specific orientation, is constructed and operated in a specific orientation, and thus, is not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "directly connected," "indirectly connected," "fixedly connected," "mounted," and "assembled" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; the terms "mounted," "connected," and "fixedly connected" may be directly connected or indirectly connected through intervening media, or may be connected through two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (15)

1. The utility model provides a water injection measure and regulate and stratum pressure measurement integrated device which characterized in that includes: the pressure measuring device comprises a positioning mechanism, a packing mechanism, a driving mechanism, a measuring and adjusting mechanism and a control pressure measuring mechanism, wherein the positioning mechanism is used for positioning during measuring and measuring pressure, the packing mechanism is used for packing a pressure measuring hole of the water distributor, the driving mechanism is used for driving the positioning mechanism and the packing mechanism, the measuring and adjusting mechanism is used for adjusting the water injection amount of the water distributor and opening and closing the pressure measuring hole of the water distributor, the control pressure measuring mechanism is arranged between the packing mechanism and the measuring and adjusting mechanism, the control pressure measuring mechanism is connected with the driving mechanism and the measuring and adjusting mechanism and is used for controlling the driving mechanism to drive the positioning mechanism to switch between a pressure measuring position and a measuring and adjusting position, the measuring and adjusting mechanism is used for controlling the measuring and adjusting mechanism to adjust the water injection amount of the water distributor during the measuring and adjusting position, and the measuring.

2. The water injection, testing and regulating and formation pressure measuring integrated device according to claim 1 is characterized in that: positioning mechanism set up in actuating mechanism with seal and separate between the mechanism, actuating mechanism includes first transmission shaft, positioning mechanism includes the second transmission shaft, it separates the mechanism and includes the third transmission shaft to seal, the one end of second transmission shaft with first transmission shaft is connected, the other end of second transmission shaft with the third transmission shaft is connected.

3. The water injection, testing and regulating and formation pressure measuring integrated device according to claim 2 is characterized in that: the driving mechanism comprises a driving shell and a first driving structure, the driving shell is enclosed to form a first central cavity, and the first driving structure is arranged in the first central cavity and connected with one end, far away from the second transmission shaft, of the first transmission shaft.

4. The water injection, testing and regulating and formation pressure measuring integrated device according to claim 3, characterized in that: positioning mechanism includes fixed seal shell and location structure, fixed seal shell is close to actuating mechanism's one end with the drive shell is connected, fixed seal shell is including setting up to wearing to establish the second center cavity of second transmission shaft, location structure set up in on the fixed seal shell to set up to be in can be under the drive of second transmission shaft measuring and adjusting the position and the switching of pressure measurement position.

5. The integrated water injection, testing and adjusting and formation pressure measuring device according to claim 4, characterized in that: the fixed seal shell further comprises a first windowing part arranged on the side wall of the fixed seal shell and exposed to the second transmission shaft, a mounting groove arranged on the side wall of the fixed seal shell and opened towards the driving mechanism, the positioning structure comprises a positioning claw arranged on the water distributor in a clamping mode, an elastic part arranged between the positioning claw and the groove bottom of the mounting groove, and a positioning ejector block connected with the second transmission shaft through a screw thread, the positioning ejector block is arranged to apply pressure under the driving of the second transmission shaft, the positioning claw makes the positioning claw switch between the measuring and adjusting position and the pressure measuring position.

6. The integrated water injection, testing and adjusting and formation pressure measuring device according to claim 5, characterized in that: the positioning claw comprises a positioning portion and a supporting portion hinged to the positioning portion, one end, far away from the positioning portion, of the supporting portion is abutted to the elastic piece and limited in the mounting groove, a first inclined surface and a first plane are arranged on one side, facing the positioning claw, of the positioning top block, the first inclined surface is closer to the second transmission shaft relative to the first plane, the first inclined surface is arranged to enable the positioning portion to stretch out of the side wall surface of the fixed sealing shell in the direction far away from the second transmission shaft when the positioning claw is pressed, and the first plane is arranged to enable the positioning portion to move in the direction far away from the driving mechanism in the axis direction of the second transmission shaft when the positioning claw is pressed.

7. The integrated water injection, testing and adjusting and formation pressure measuring device according to claim 4, characterized in that: the fixed seal shell further comprises a first accommodating groove which is formed in the side wall of the fixed seal shell and provided with an opening deviating from the second transmission shaft, the positioning mechanism further comprises a rotation preventing arm which is arranged in the first accommodating groove, and the rotation preventing arm is arranged to be at least partially extended out of the first accommodating groove and can be retracted into the first accommodating groove under the action of external force.

8. The integrated water injection, testing and adjusting and formation pressure measuring device according to any one of claims 4-7, characterized in that: the packing mechanism comprises a packing shell and a packing structure, one end of the packing shell, which is close to the positioning mechanism, is connected with the fixed sealing shell, the packing shell comprises a third central cavity which is arranged to penetrate through the third transmission shaft and a second windowing which is arranged on the side wall of the fixed sealing shell and exposes the third transmission shaft, the packing structure comprises a rubber sleeve and a pressing sleeve which are sleeved on the outer side of the packing shell, the pressing sleeve is in threaded connection with the third transmission shaft through the second windowing, and the pressing sleeve is arranged to be compressed and stretched under the driving of the third transmission shaft so that the rubber sleeve is in sealing fit and separation with the inner wall of the water distributor, so as to realize the packing and unpacking of the pressure measuring hole.

9. The integrated water injection, testing and regulating and formation pressure measuring device according to claim 8, characterized in that: an overpressure channel extending along the axial direction of the third transmission shaft is formed between the third transmission shaft and the packing shell, and an overpressure hole communicated with the overpressure channel is formed in the pressing sleeve.

10. The integrated water injection, testing and regulating and formation pressure measuring device according to claim 9, characterized in that: the measuring and adjusting mechanism comprises a measuring and adjusting structure and a second driving structure, the measuring and adjusting structure is clamped with a pressure measuring adjusting sleeve and a flow adjusting sleeve of the water distributor, the second driving structure is used for driving the measuring and adjusting structure to adjust the water injection quantity of the water distributor and switch a pressure measuring hole of the water distributor, the measuring and adjusting structure is sleeved on the outer side of the second driving structure, and the end part, close to the pressure measuring control mechanism, of the second driving structure is connected with the pressure measuring control mechanism.

11. The integrated water injection, testing and regulating and formation pressure measuring device according to claim 10, characterized in that: the second driving structure comprises a rotating shaft, a motor sealing cylinder and a rotating sleeve, the motor is arranged in the motor sealing cylinder, the rotating shaft is arranged between the control pressure measuring mechanism and the motor sealing cylinder, the rotating sleeve is sleeved on the outer side of the motor sealing cylinder and connected with the output end of the motor, and the measuring and adjusting structure is sleeved on the outer side of the rotating shaft and connected with the rotating sleeve.

12. The integrated water injection, testing and regulating and formation pressure measuring device according to claim 11, characterized in that: the survey and regulation structure includes rotatory shell and regulating arm, rotatory shell cover locate the rotation axis outside and with rotatory muffjoint, rotatory shell including set up in on the lateral wall of rotatory shell and the opening deviates from the second storage tank of rotation axis, the regulating arm set up in the second storage tank, the regulating arm sets up to at least part and stretches out in the second storage tank can be retrieved back to in the second storage tank under the exogenic action.

13. The integrated water injection, testing and regulating and formation pressure measuring device according to claim 11, characterized in that: control pressure measurement mechanism includes control shell, circuit control board and pressure temperature sensor, the control shell respectively with seal the shell with the swivelling joint is connected, the control shell including set up in first holding chamber on the control shell lateral wall and with first holding chamber with the second holding chamber of excessive pressure passageway intercommunication, the circuit control board sets up in first holding intracavity, temperature pressure sensor sets up in second holding intracavity, the circuit control board with first drive structure with second drive structure and pressure temperature sensor connects, the circuit control board sets up to receive ground control system's control information and with control information send to first drive structure and second drive structure, and will pressure temperature sensor's the information transmission that detects to ground control system.

14. The integrated water injection, testing and regulating and formation pressure measuring device according to claim 13, characterized in that: the second transmission shaft, the third transmission shaft and the rotating shaft are all hollow structures, the first driving structure is connected with the circuit control board through a first cable penetrating through the hollow structures of the second transmission shaft and the third transmission shaft, and the second driving structure is connected with the circuit control board through a second cable penetrating through the hollow structure of the rotating shaft.

15. The integrated water injection, testing and regulating and formation pressure measuring device according to claim 14, characterized in that: control pressure measurement mechanism still including set up in the control shell is close to the first plug connector of the one end of testing and debugging mechanism, testing and debugging mechanism still including set up in the rotation axis is close to the one end of control pressure measurement mechanism and with first plug connector grafting complex second plug connector, first cable is connected with first plug connector, the second cable is connected with the second plug connector, the control shell is close to the one end of testing and debugging mechanism is provided with the intercommunication first holding chamber with the wire passing channel of second plug connector position, be provided with the connection in the wire passing channel the circuit control board with the third cable of second plug connector, the third cable passes through first plug connector and second plug connector are connected with first cable and second cable respectively.

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