CN211008525U - Electric throwing short joint - Google Patents
Electric throwing short joint Download PDFInfo
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- CN211008525U CN211008525U CN201822074484.0U CN201822074484U CN211008525U CN 211008525 U CN211008525 U CN 211008525U CN 201822074484 U CN201822074484 U CN 201822074484U CN 211008525 U CN211008525 U CN 211008525U
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Abstract
The utility model relates to an electric throwing nipple, which comprises an upper joint component, a motor component, a pressure measuring component and a lower end throwing component, wherein the upper joint component is connected with a read-only parameter logging instrument, and the working voltage of the motor component is controlled through ground equipment connection; the motor assembly provides power under the control of ground equipment; the pressure measuring assembly measures the underground pressure; the lower end throwing component is connected with the thrown test nipple, and throwing of the thrown test nipple is achieved under power provided by the motor component. The utility model provides a when the layering pressure measurement, throw and drag for layering pressure gauge work load big and can't judge sealed reliable technical problem whether, the utility model discloses electronic throwing in nipple joint and the direct reading four-point parameter cooperation work of current on-the-spot adoption, with concentric sealing test nipple joint in the pit step by step put in the central tube test position of the water distributor that corresponds the test layer and carry out the layering test of formation pressure, throw in through motor control, throw in efficiently.
Description
Technical Field
The utility model relates to an electronic input nipple joint.
Background
With the continuous deepening of oil field development, the water injection structure is continuously optimized, the proportion of the layered injection wells in the total number of the water wells is continuously improved and reaches more than 95 percent at present, and the number of the water injection well sections subdivided in the layers is up to 8 sections. The layered pressure measurement technology embodies huge advantages and is more and more emphasized, the proportion of the layered pressure measurement of the water well in the oil field monitoring is more and more large, and the layered pressure measurement data shows unique advantages.
At present, a bridge type eccentric layered water distributor used in an oil field uses an eccentric layered pressure meter to salvage and put in layer by layer during layered testing, the salvage workload is very large, whether the sealing of a stratum to be tested is reliable or not can not be judged in the salvage process, and the testing success rate is low.
Disclosure of Invention
In order to solve when the layering pressure measurement, throw and drag for layering pressure gauge work load big and can't judge sealed reliable technical problem whether, the utility model provides an electronic pup joint of puting in.
The technical solution of the utility model is that:
the electric throwing short joint is characterized by comprising an upper joint component, a motor component, a pressure measuring component and a lower end throwing component,
the upper joint component is connected with the read-only parameter logging instrument and is connected with the working voltage of the control motor component through ground equipment;
the motor assembly provides power under the control of ground equipment;
the pressure measuring assembly measures the underground pressure;
the lower end throwing component is connected with the thrown test nipple, and throwing of the thrown test nipple is achieved under power provided by the motor component.
Further, the upper joint component comprises an upper shell and an upper joint,
the motor assembly comprises a control circuit, a motor shell, a lead screw and a transmission rod;
the pressure measuring assembly comprises a pressure measuring sensor and a pressure measuring sleeve, and one end of the pressure measuring sleeve is sleeved on the transmission rod;
the lower end throwing component comprises a central push rod, a lower end pressure guide sleeve and a throwing instrument locking component positioned on the lower end pressure guide sleeve;
the upper joint is connected with one end of the upper shell, the other end of the upper shell is fixedly connected with one end of the lower end pressure guide sleeve, and the motor assembly is positioned in the upper shell; the pressure measuring assembly and the central push rod are both positioned in the lower end pressure guide sleeve;
the motor shell is fixedly connected with the inner wall of the upper shell; the output end of the motor is connected with one end of a screw rod, and the other end of the screw rod is in threaded connection with one end of a transmission rod;
the pressure measuring assembly comprises a pressure measuring sensor and a pressure measuring sleeve, one end of the pressure measuring sleeve is sleeved on the transmission rod, the other end of the pressure measuring sleeve is sleeved on the pressure measuring sensor, one end of the pressure measuring sleeve is fixedly connected with the motor shell, and one end of the pressure measuring sensor is connected with the other end of the transmission rod;
the other end of the pressure measuring sensor is positioned in a lower pressure guide channel of the central push rod, and the lower end guide sleeve is fixedly connected with the other end of the upper shell.
Furthermore, the locking assembly of the throwing instrument comprises a lower end locking steel ball and a lower end movable lock sleeve, a steel ball mounting groove is formed in the lower end pressure guide sleeve, the lower end locking steel ball is located in the steel ball mounting groove, and the lower end movable lock sleeve is sleeved on the lower end pressure guide sleeve and can move axially upwards; the diameter of the lower end locking steel ball is larger than the depth of the steel ball mounting groove.
Furthermore, put in instrument locking subassembly still including setting up removal spacing groove and the round pin axle on the lower extreme leads the pressure sleeve, round pin axle upper end and lower extreme activity lock sleeve fixed connection, round pin axle lower extreme passes and removes spacing groove and central push rod fixed connection.
Furthermore, the lower end movable lock sleeve comprises a small-diameter section, a variable-diameter section and a large-diameter section.
Further, electronic throwing in nipple joint still includes spacing subassembly, spacing subassembly is including fixing last limit switch on motor casing, lower limit switch and fixing the activity dog on the transfer line, the stroke of activity dog is between last limit switch and lower limit switch.
Furthermore, the device also comprises two state indication Hall elements, and the two state indication Hall elements are arranged on the transmission rod.
Furthermore, put in instrument locking subassembly and still include fixed cover, fixed cover suit is on lower extreme activity lock cover and with lower extreme activity lock cover fixed connection.
The utility model discloses the beneficial effect who has:
1. the utility model discloses electronic four-point parameter cooperation work of direct reading that puts in nipple joint and current on-the-spot adoption carries out the layering test of formation pressure with concentric sealing test nipple joint in the pit in the center tube test position of the water injection mandrel that corresponds the test layer step by step, puts in through motor control, puts in efficiently.
2. The utility model discloses an electronic input nipple joint passes through pressure sensor and the pressure comparison of direct reading four-point parameter, can judge whether sealed reliable of test nipple joint, improves the success rate of pressure measurement.
Drawings
FIG. 1 is a front view of the electric throwing nipple of the present invention;
FIG. 2 is a side view of the electric throwing nipple of the present invention;
fig. 3 is the utility model discloses the cross-sectional view of electronic input nipple joint.
Detailed Description
Example 1: the electric throwing short joint comprises an upper joint component 5, a motor component 6, a pressure measuring component 7 and a lower end throwing component 8, wherein the upper joint component is connected with the read-only parameter logging instrument and is connected with and controls the working voltage of the motor component through ground equipment; the motor assembly provides power under the control of ground equipment; the pressure measuring assembly measures the underground pressure; the lower end throwing-in component is connected with the test short section, and the throwing-in of the test short section is realized under the power provided by the motor component.
Example 2: the upper connector assembly comprises an upper shell 501 and an upper connector 502, the upper connector 502 is an English system single-core interface and is connected with a four-parameter short section, when the ground control power supply voltage (cable head voltage) is larger than 55VDC, a motor inside the motor is thrown to work, and when the power supply is-50 VDC, the motor rotates reversely. The motor assembly comprises a control circuit 601, a motor 602, a motor shell 603, a lead screw 604 and a transmission rod 605; the load cell assembly 7 comprises a load cell 701 and a load cell sleeve 702, and one end of the load cell sleeve 702 is sleeved on the transmission rod 605; the lower end throwing component 8 comprises a central push rod 801, a lower end pressure guide sleeve 802 and a throwing instrument locking component positioned on the lower end pressure guide sleeve; the other end of the upper shell 501 is fixedly connected with one end of the lower end pressure guide sleeve 802, and the motor assembly is positioned in the upper shell 501; the pressure measuring component 7 and the central push rod 801 are both positioned in the lower end pressure guide sleeve 802; the motor shell 603 is fixedly connected with the inner wall of the upper shell 501; the output end of the motor 602 is connected with one end of a lead screw 604, and the other end of the lead screw 604 is in threaded connection with one end of a transmission rod 605;
during throwing, the underground test nipple to be thrown is inserted into the lower end pressure guide sleeve 802 of the electric throwing nipple.
Example 3: the locking assembly of the throwing instrument comprises a lower end locking steel ball 804 and a lower end movable locking sleeve 805, a steel ball mounting groove is formed in the lower end pressure guide sleeve 802, the lower end locking steel ball 804 is located in the steel ball mounting groove, and the lower end movable locking sleeve 805 is sleeved on the lower end pressure guide sleeve 802 and can axially move on the lower end pressure guide sleeve 802; the diameter of the lower end locking steel ball 804 is larger than the depth of the steel ball mounting groove.
The power supply is started, when the power supply voltage is greater than 55VDC, the motor works, the screw 604 drives the transmission rod 605 to axially move, and further drives the pressure measuring sensor 701 to move together, the pressure measuring sensor 701 drives the center push rod 801 to move, the lower end locking steel ball 804 falls into a fixed component (namely a steel ball groove on the fishing head) on the fishing head of the underground test nipple to be thrown, and at the moment, the lower end locking steel ball 804 falls into the steel ball groove of the fishing head.
Example 4: the locking assembly of the releasing instrument further comprises a movable limiting groove 806 and a pin shaft 807 which are arranged on the lower end pressure guide sleeve 802, the upper end of the pin shaft is fixedly connected with the lower end movable locking sleeve 805, and the lower end of the pin shaft penetrates through the movable limiting groove 806 to be fixedly connected with the central push rod 801. The lower end movable locking collar 805 includes a small diameter section, a variable diameter section, and a large diameter section.
Under the action of the central push rod 801, the pin shaft and the lower end movable lock sleeve move together, at the moment, the top of the lower end locking steel ball 804 is over against the small-diameter section of the lower end movable lock sleeve 805, and the electric throwing short section and the test short section to be thrown are completely locked through the locking assembly.
Example 5: the electric throwing short joint further comprises a limiting assembly and a state indicating Hall element, wherein the limiting assembly comprises an upper limiting switch 606, a lower limiting switch 607 and a movable stop 608, the upper limiting switch 606 and the lower limiting switch 607 are fixed on the motor shell, the movable stop 608 is fixed on a transmission rod 605, and the stroke of the movable stop 608 is between the upper limiting switch 606 and the lower limiting switch 607. Two status indicating hall elements are provided on the transmission rod 605.
The drive rod 605 moves to the uppermost hall switch position, giving an instrument connection and lock signal, and the motor automatically stops rotating. At the moment, the steel ball is locked in the positioning groove on the fishing head, the end face of the central push rod 801 is tightly attached to the end face of the fishing center rod to be thrown in the test nipple, the central channel is communicated, underground formation pressure can be transmitted to the pressure measuring sensor through the central channel, and at the moment, the instrument string can be used for downhole operation.
According to the depth of a water distributor to be put in, the motor is electrified (the voltage of the cable head of the instrument is plus 55VDC) at a position 5 meters above the water distributor, the motor continues to rotate, the center push rod 801 pushes the center rod of the underground test short section to move, the positioning part of the test short section is opened, the test short section is supported on the positioning step of the water distributor, and the transmission rod 605 moves to the position of the Hall element at the lowest end to give an opening signal of the positioning part.
And (3) supplying power to the motor (adjusting the voltage to +55VDC), continuously rotating the motor, pushing the central rod to drive the sealing element of the test nipple to expand and cling to the central hole of the water distributor to separate the water outlet from the interior of the oil pipe. At this point, the movable stop 608 on the transmission rod 605 moves to the lower limit switch 607.
The pressure change of the pressure measuring sensor is observed, and is compared with the pressure of the direct-reading parameter logging instrument, the difference of the two pressure changes indicates that the upper and lower leather cups are sealed reliably, and the underground concentric sealing test short section can be left in the well for testing.
The motor is powered by-50 VDC, the motor of the electric throwing nipple rotates reversely, the central push rod of the electric throwing nipple retracts, when the motor is in the position of the upper limit switch 606, the motor stops rotating automatically (the current of the motor is automatically changed into 0mA), the cable is lifted upwards at the moment, and the four-parameter nipple and the electric throwing nipple are lifted to the ground together.
Claims (7)
1. Electronic throwing in nipple joint, its characterized in that: comprises an upper joint component (5), a motor component (6), a pressure measuring component (7) and a lower end throwing component (8),
the upper joint component is connected with the direct-reading parameter logging instrument and is connected with the working voltage of the control motor component through ground equipment;
the motor assembly provides power under the control of ground equipment;
the pressure measuring assembly measures the underground pressure;
the lower end throwing component is connected with the thrown test short section, and the throwing of the thrown test short section is realized under the power provided by the motor component;
the upper joint component comprises an upper shell (501) and an upper joint (502),
the motor assembly comprises a control circuit (601), a motor (602), a motor shell (603), a lead screw (604) and a transmission rod (605);
the lower end throwing component (8) comprises a central push rod (801), a lower end pressure guide sleeve (802) and a throwing instrument locking component positioned on the lower end pressure guide sleeve;
the upper joint (502) is connected with one end of the upper shell (501), the other end of the upper shell (501) is fixedly connected with one end of the lower end pressure guide sleeve (802), and the motor assembly is positioned in the upper shell (501); the pressure measuring component (7) and the central push rod (801) are both positioned in the lower end pressure guide sleeve (802);
the motor shell (603) is fixedly connected with the inner wall of the upper shell (501); the output end of the motor (602) is connected with one end of a screw rod (604), and the other end of the screw rod (604) is in threaded connection with one end of a transmission rod (605);
the pressure measuring assembly (7) comprises a pressure measuring sensor (701) and a pressure measuring sleeve (702), one end of the pressure measuring sleeve (702) is sleeved on the transmission rod (605), the other end of the pressure measuring sleeve (702) is sleeved on the pressure measuring sensor (701), one end of the pressure measuring sleeve (702) is fixedly connected with the motor shell (603), and one end of the pressure measuring sensor (701) is connected with the other end of the transmission rod (605);
the other end of the pressure measuring sensor (701) is positioned in a lower pressure guide channel (803) of the center push rod (801), and the lower end guide sleeve (802) is fixedly connected with the other end of the upper shell (501).
2. The electric launch sub according to claim 1, characterized in that: the locking assembly of the throwing instrument comprises a lower end locking steel ball (804) and a lower end movable lock sleeve (805), a steel ball mounting groove is formed in the lower end pressure guide sleeve (802), the lower end locking steel ball (804) is located in the steel ball mounting groove, and the lower end movable lock sleeve (805) is sleeved on the lower end pressure guide sleeve (802) and can axially move on the lower end pressure guide sleeve (802); the diameter of the lower end locking steel ball (804) is larger than the depth of the steel ball mounting groove.
3. The electric launch sub according to claim 2, characterized in that: the releasing instrument locking assembly further comprises a movable limiting groove (806) and a pin shaft (807), the movable limiting groove (806) is arranged on the lower end guide pressing sleeve (802), the upper end of the pin shaft is fixedly connected with the lower end movable locking sleeve (805), and the lower end of the pin shaft penetrates through the movable limiting groove (806) to be fixedly connected with the central push rod (801).
4. The electric launch sub according to claim 3, characterized in that: the lower end movable lock sleeve (805) comprises a small-diameter section, a variable-diameter section and a large-diameter section which are sequentially connected.
5. The electric launch sub according to claim 4, characterized in that: the electric throwing short joint further comprises a limiting assembly, the limiting assembly comprises an upper limiting switch (606) and a lower limiting switch (607) which are fixed on the motor shell, and a movable stop block (608) which is fixed on a transmission rod (605), and the stroke of the movable stop block (608) is between the upper limiting switch (606) and the lower limiting switch (607).
6. The electric launch sub according to claim 5, characterized in that: the device also comprises two state indication Hall elements, and the state indication Hall elements (609) are arranged on the transmission rod (605).
7. The electric launch sub according to claim 6, characterized in that: the releasing instrument locking assembly further comprises a fixing sleeve (809), and the fixing sleeve (809) is sleeved on the lower end movable lock sleeve (805) and is fixedly connected with the lower end movable lock sleeve (805).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822074484.0U CN211008525U (en) | 2018-12-11 | 2018-12-11 | Electric throwing short joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822074484.0U CN211008525U (en) | 2018-12-11 | 2018-12-11 | Electric throwing short joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211008525U true CN211008525U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822074484.0U Active CN211008525U (en) | 2018-12-11 | 2018-12-11 | Electric throwing short joint |
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| Country | Link |
|---|---|
| CN (1) | CN211008525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356541A (en) * | 2018-12-11 | 2019-02-19 | 陕西华晨石油科技有限公司 | Electronic dispensing pipe nipple and put-on method |
| CN112012723A (en) * | 2020-10-12 | 2020-12-01 | 贵州航天凯山石油仪器有限公司 | Method for long-term synchronous monitoring of concentric well layered pressure |
-
2018
- 2018-12-11 CN CN201822074484.0U patent/CN211008525U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109356541A (en) * | 2018-12-11 | 2019-02-19 | 陕西华晨石油科技有限公司 | Electronic dispensing pipe nipple and put-on method |
| CN112012723A (en) * | 2020-10-12 | 2020-12-01 | 贵州航天凯山石油仪器有限公司 | Method for long-term synchronous monitoring of concentric well layered pressure |
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