CN211974956U - Measuring nipple while drilling for coiled tubing engineering - Google Patents
Measuring nipple while drilling for coiled tubing engineering Download PDFInfo
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- CN211974956U CN211974956U CN202020476329.6U CN202020476329U CN211974956U CN 211974956 U CN211974956 U CN 211974956U CN 202020476329 U CN202020476329 U CN 202020476329U CN 211974956 U CN211974956 U CN 211974956U
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- measuring
- nipple
- coiled tubing
- sensor
- drilling
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Abstract
The utility model belongs to the technical field of drilling exploration engineering, especially, relate to a coiled tubing engineering is with measuring nipple joint along with boring. The measurement-while-drilling nipple has a compact structure and good sealing performance, can be installed and connected at the near end of a coiled tubing downhole string drill bit, and realizes real-time measurement of drilling pressure, torque, internal and external pressures of a drill string, a casing coupling and other drilling engineering parameters in the drilling process. A measuring while drilling nipple for coiled tubing engineering comprises: measuring the main structure of the short section; the circuit board bin is internally provided with a measuring circuit; a single-core pressure bearing plug; the casing collar sensor is arranged at the front half section of the measuring nipple main body structure; the flow pressure sensor is arranged on the measuring nipple main body structure at the position of the flow channel inlet, and the annular sensor is arranged on the measuring nipple main body structure; and the bit pressure sensor and the torque sensor are arranged at the peripheral position of the rear half section of the measuring short section main body structure.
Description
Technical Field
The utility model belongs to the technical field of drilling exploration engineering, especially, relate to a coiled tubing engineering is with measuring nipple joint along with boring.
Background
As a new drilling process, the coiled tubing drilling technology has the technical characteristics of no joint, no variable diameter, continuous tripping, dynamic sealing, high strength, small volume and the like. In the process of coiled tubing drilling, in order to master the construction progress of drilling footage and guide windowing construction such as drilling and sidetracking, technicians need to log a plurality of engineering parameters such as drilling pressure and torque in the process of coiled tubing construction. In the process, the inventor finds that different from the traditional drill rod, the coiled tubing is thin in pipe diameter and soft in rigid texture, and the conditions of bending, even self-locking and the like can exist in the drilling process, so that the depth measurement of the coiled tubing is difficult; in addition, due to the complex underground situation and the defects of data distortion, signal transmission delay and the like existing in the traditional coiled tubing measurement mode, a solution for measuring the engineering parameters of the coiled tubing with higher reliability is urgently needed to be provided by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coiled tubing engineering is with along with boring measurement nipple joint, this along with boring measurement nipple joint compact structure, sealing performance are good, and the mountable is connected at the near-end of coiled tubing tubular column drill bit in the pit, has realized the real-time measurement to a great deal of drilling engineering parameters such as weight on bit, moment of torsion, the internal and external pressure of drilling string and sleeve pipe coupling among the drilling process.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a measuring while drilling nipple for coiled tubing engineering comprises:
measuring the main structure of the short section;
the circuit board bin is arranged in the measuring short section main body structure, and a measuring circuit is arranged in the circuit board bin;
single-core pressure-bearing plugs arranged at two ends of the measuring short section main body structure; the single-core pressure-bearing plug is used for sealing the circuit board bin and the measuring circuit in the measuring short section main body structure;
the casing collar sensor is arranged at the front half section of the measuring nipple main body structure; the casing coupling sensor is connected with the casing coupling data processing circuit and the measuring circuit in sequence;
the flow channel passes through the main structure of the measuring nipple and is used for flowing drilling mud; the flow pressure sensor is arranged on the measuring nipple main body structure at the position of the flow channel inlet, and the annular sensor is arranged on the measuring nipple main body structure; the flow pressure sensor and the annular sensor are connected with the pressure processing circuit and the measuring circuit in sequence;
the bit pressure sensor and the torque sensor are arranged at the peripheral position of the rear half section of the measuring short section main body structure; the bit pressure sensor is connected with the bit pressure processing circuit and the measuring circuit in sequence; the torque sensor is connected with the torque processing circuit and the measuring circuit in sequence;
further preferably, the outer sides of the bit pressure sensor and the torque sensor are also provided with a protective ring; and the protective ring is fixedly arranged on the main structure of the measuring nipple through a fixing screw.
Preferably, a first multi-core pressure bearing plug is further arranged between the torque sensor and the torque processing circuit; and a data interconnection relation is established between the torque sensor and the torque processing circuit through the first multi-core pressure bearing plug.
Preferably, an upper connector and a lower connector are fixed on the main structure of the measuring nipple; the upper connector is in threaded connection with an instrument on the upper part of the continuous oil pipe; the lower connector is in threaded connection with an instrument on the upper part of the continuous oil pipe.
Preferably, sealing rings are respectively arranged at the position where the upper connector is in threaded connection with the instrument on the upper portion of the coiled tubing and at the position where the lower connector is in threaded connection with the instrument on the upper portion of the coiled tubing.
Further preferably, the method further comprises the following steps: a data transmission bus; the data transmission bus is connected with the measuring circuit, is respectively connected with the upper instrument of the coiled tubing and the lower instrument of the coiled tubing through single-core pressure-bearing plugs arranged at two ends of a main structure of the measuring nipple, and is used for realizing signal transmission and intercommunication among the measuring nipple, the upper instrument of the coiled tubing and the lower instrument of the coiled tubing during the coiled tubing engineering.
The utility model provides a coiled tubing engineering is with following drill measurement nipple joint, including measuring nipple joint major structure, circuit board storehouse, measuring circuit, single core pressure plug, sleeve pipe coupling sensor, sleeve pipe coupling data processing circuit, flow pressure sensor, annular space sensor, pressure processing circuit, weight on bit sensor, weight on bit processing circuit, torque sensor, torque processing circuit etc.. The measurement-while-drilling short joint for the coiled tubing engineering with the structural characteristics has the advantages of simple structure, convenience in installation, good sealing performance, good wear resistance and the like.
Drawings
The accompanying drawings are included to provide a further understanding of the 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 invention and not to limit the invention. In the following drawings:
FIG. 1 is a schematic structural view of the measurement-while-drilling nipple for coiled tubing engineering of the present invention;
FIG. 2 is a schematic circuit diagram of the casing coupling data processing circuit of the present invention;
fig. 3 is a schematic circuit diagram of the pressure processing circuit of the present invention;
FIG. 4 is a schematic circuit diagram of the weight-on-bit processing circuit of the present invention;
fig. 5 is a schematic circuit diagram of the torque processing circuit of the present invention;
fig. 6 is a schematic circuit diagram of the processor unit and the active crystal oscillator according to the present invention;
fig. 7 is a schematic circuit diagram of the ADC converter according to the present invention.
In the figure: 1. an upper connector; 2. measuring the main structure of the short section; 3. a flow pressure sensor; 4. a seal ring; 5. a casing collar sensor; 6. a casing coupling data processing circuit; 7. a circuit board compartment; 8. a measurement circuit; 9. pressure processing circuitry (section); 10. a data transmission bus; 11. an annulus sensor; 12. a first multi-wick pressure-bearing plug; 13. a guard ring; 14. a set screw; 15. a weight-on-bit sensor; 16. a torque sensor; 17. a flow channel; 18. a lower connector; 19. single core pressure plug.
Detailed Description
The utility model provides a coiled tubing engineering is with along with boring measurement nipple joint, this along with boring measurement nipple joint compact structure, sealing performance are good, and the mountable is connected at the near-end of coiled tubing tubular column drill bit in the pit, has realized the real-time measurement to a great deal of drilling engineering parameters such as weight on bit, moment of torsion, the internal and external pressure of drilling string and sleeve pipe coupling among the drilling process.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The utility model provides a coiled tubing engineering is with following boring measurement nipple joint, as shown in FIG. 1, this following boring measurement nipple joint is concrete including measuring nipple joint major structure. A circuit board bin is arranged in the measuring nipple main body structure, and a measuring circuit is further installed in the circuit board bin. And at measuring nipple joint major structure both ends, install single core and bear the pressure plug, this single core bears the pressure plug can be used for playing the effect of sealing up circuit board storehouse and measuring circuit in the inside of measuring nipple joint major structure.
In addition, a casing collar sensor is arranged at the first half section of the main structure of the measuring nipple. The casing collar sensor is used for providing data basis for depth positioning of the instrument. Then, the casing coupling sensor is connected with the casing coupling data processing circuit and the measuring circuit in sequence. Specifically, as shown in FIG. 2, FIG. 2 provides a casing collar data processing circuit. The casing coupling data processing circuit comprises three structural units, namely: the device comprises a signal amplifier unit, a full-wave rectification unit and a voltage division filtering unit. The CCLP end is used for receiving a positive input signal of the casing coupling sensor, and the CCLN end is used for receiving a negative input signal of the casing coupling sensor; the signal amplifier U1 is used to amplify the positive input signal of the receiving casing coupling sensor and the negative input signal of the receiving casing coupling sensor. The full-wave rectification unit is specifically composed of two comparison amplifiers (U2A and U2B), two diodes (D1 and D2) and a plurality of resistors (R7, R9, R10, R21 and R22) and is used for modulating an alternating current signal provided by the casing collar sensor into a unidirectional pulse signal; the voltage division filtering unit is composed of two resistors (R11, R12) and a capacitor (C28) and is used for further performing voltage division processing on the unidirectional pulse signal generated by modulation of the full-wave rectifying unit.
The measuring nipple main body structure is also provided with a flow channel for circulating drilling mud, a flow pressure sensor is further installed at the position of the inlet of the flow channel and on the measuring nipple main body structure, and the flow pressure sensor is used for collecting pressure value data generated by fluid at the position of the inlet of the flow channel. And an annular sensor is further arranged on the main body structure of the measuring nipple in the flow channel and used for collecting pressure value data generated by fluid in the flow channel. Preferably, the flow pressure sensor and the annulus sensor are connected with the pressure processing circuit and the measuring circuit in sequence. The schematic circuit structure of the pressure processing circuit is shown in fig. 3. The pressure processing circuit is respectively connected with the flow pressure sensor and the annular sensor and used for processing pressure value data acquired by the flow pressure sensor and the annular sensor. Specifically, the pressure processing circuit comprises three structural units, which are respectively: the device comprises a signal amplifier unit, a second-order active low-pass filtering unit and a voltage division unit. The explanation is given by taking the connection with the flow pressure sensor as an example: ends YLP1 and YLN1 respectively receive a positive input signal and a negative input signal provided by the annular pressure sensor; the signal amplifier unit U5 amplifies the positive pole input signal and the negative pole input signal provided by the annular pressure sensor under the control of the reference voltage provided by the REF end; the second-order active low-pass filtering unit is composed of a comparison amplifier (U9A) and a plurality of resistors and capacitors (R33, R34, C41 and C43) and is used for filtering the flow channel pressure value data provided by the flow pressure sensor; finally, the voltage division unit is composed of two resistors (R13, R14) and a capacitor (C30) and is used for further performing voltage division processing on the signal generated by modulation of the second-order active low-pass filtering unit and outputting the signal. Similarly, the pressure processing circuit can finish amplifying, filtering and dividing pressure processing on annular pressure value data acquired by the annular sensor.
And then, a bit pressure sensor and a torque sensor are arranged at the periphery of the rear half section of the main body structure of the measuring nipple. Wherein, the bit pressure sensor is connected with the bit pressure processing circuit and the measuring circuit in sequence; the torque sensor is connected with the torque processing circuit and the measuring circuit in sequence. As a preferred embodiment of the present invention, a guard ring is further disposed outside the bit pressure sensor and the torque sensor; the protective ring is fixedly arranged on the main structure of the measuring short section through a fixing screw; the protective ring structure can be used for bearing external pressure in the underground operation process of the measuring nipple main body structure. In addition, a first multi-core pressure bearing plug is arranged between the torque sensor and the torque processing circuit; and a data interconnection relation is established between the torque sensor and the torque processing circuit through the first multi-core pressure bearing plug. The first multi-core pressure plug is used for further protecting the torque processing circuit.
It should be noted that fig. 4 provides a weight-on-bit processing circuit, and fig. 5 provides a torque processing circuit. The bit pressure processing circuit shown in fig. 4, the torque processing circuit shown in fig. 5, the circuit configuration thereof, and the operation mode of the circuit are similar to those of the pressure processing circuit shown in fig. 3, and each of the torque processing circuit and the torque processing circuit includes a signal amplifier unit, a second-order active low-pass filter unit, and a voltage divider unit. It will be understood by those skilled in the art that the only difference is that the ZYP and ZYN terminals receive positive and negative input signals, respectively, provided by the weight-on-bit sensor; the NJP terminal and the NJN terminal respectively receive a positive pole input signal and a negative pole input signal provided by the torque sensor. Due to the space limitations of the present patent application, further description is omitted here.
As a preferred embodiment of the present invention, there is also provided a specific circuit configuration of the measurement circuit. The measuring circuit comprises three structural units, namely: the device comprises a processor unit, an active crystal oscillator and an ADC (analog-to-digital converter); as shown in fig. 6, fig. 6 shows a circuit schematic of the processor unit and the active crystal oscillator. The model of the processor unit U3 can be any one of C8051F340, C8051F341, C8051F344 and C8051F 345; and the active crystal CY1 is connected to a clock port of the processor unit U3 for providing a clock frequency signal to the processor unit. As shown in fig. 7, fig. 7 provides a circuit schematic of an ADC converter. The input end of the ADC converter U4 is respectively connected with a signal output end (CCL port) processed by a casing coupling data processing circuit, a signal output end (NJ port) processed by a torque processing circuit, a signal output end (ZY port) processed by a weight on bit processing circuit, a flow channel pressure signal output end (LDYL port) processed by a pressure processing circuit and an annular pressure signal output end (HKYL port) processed by the pressure processing circuit, and the ADC converter U4 is specifically used for concentrating various signals acquired by the circuit structure units and outputting the signals to a processor unit for subsequent calculation processing after analog-to-digital conversion; the remaining inputs of the ADC converter U4, such as the BUSV, BUSI, and TMP, respectively input the bus voltage, bus current, temperature sensor signal, and so on.
It is noted that the circuit configurations of the various circuits shown in fig. 2-7 are merely exemplary illustrations; in fact, the person skilled in the art can adapt the specific configuration of the circuit according to the actual working needs, without additional creative efforts.
Finally, as a preferred embodiment of the present invention, an upper connector and a lower connector are fixed to the main structure of the measuring nipple; the upper connector is in threaded connection with an instrument on the upper part of the continuous oil pipe; the lower connector is in threaded connection with an instrument on the upper part of the continuous oil pipe. And the threaded interconnection position of the upper connector and the upper instrument of the coiled tubing and the threaded interconnection position of the lower connector and the upper instrument of the coiled tubing are respectively and preferably provided with a sealing ring for achieving the technical effect of sealing connection. In addition, a data transmission bus is further arranged in the measurement-while-drilling nipple for the coiled tubing engineering. The data transmission bus is connected with a measuring circuit, is respectively connected with an upper instrument of a coiled tubing and a lower instrument of the coiled tubing through single-core pressure-bearing plugs arranged at two ends of a main structure of the measuring nipple, and is used for realizing signal transmission and intercommunication among the measuring nipple, the upper instrument of the coiled tubing and the lower instrument of the coiled tubing for coiled tubing engineering.
The utility model provides a coiled tubing engineering is with following drill measurement nipple joint, including measuring nipple joint major structure, circuit board storehouse, measuring circuit, single core pressure plug, sleeve pipe coupling sensor, sleeve pipe coupling data processing circuit, flow pressure sensor, annular space sensor, pressure processing circuit, weight on bit sensor, weight on bit processing circuit, torque sensor, torque processing circuit etc.. The measurement-while-drilling short joint for the coiled tubing engineering with the structural characteristics has the advantages of simple structure, convenience in installation, good sealing performance, good wear resistance and the like.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a coiled tubing engineering is with following measurement nipple joint which characterized in that, including:
measuring the main structure of the short section;
the circuit board bin is arranged in the measuring short section main body structure, and a measuring circuit is arranged in the circuit board bin;
single-core pressure-bearing plugs arranged at two ends of the measuring short section main body structure; the single-core pressure-bearing plug is used for sealing the circuit board bin and the measuring circuit in the measuring short section main body structure;
the casing collar sensor is arranged at the front half section of the measuring nipple main body structure; the casing coupling sensor is connected with the casing coupling data processing circuit and the measuring circuit in sequence;
the flow channel passes through the main structure of the measuring nipple and is used for flowing drilling mud; the flow pressure sensor is arranged on the measuring nipple main body structure at the position of the flow channel inlet, and the annular sensor is arranged on the measuring nipple main body structure; the flow pressure sensor and the annular sensor are connected with the pressure processing circuit and the measuring circuit in sequence;
the bit pressure sensor and the torque sensor are arranged at the peripheral position of the rear half section of the measuring short section main body structure; the bit pressure sensor is connected with the bit pressure processing circuit and the measuring circuit in sequence; the torque sensor is connected with the torque processing circuit and the measuring circuit in sequence.
2. The measurement-while-drilling nipple for coiled tubing engineering according to claim 1, wherein a guard ring is further arranged outside the weight-on-bit sensor and the torque sensor; and the protective ring is fixedly arranged on the main structure of the measuring nipple through a fixing screw.
3. The measurement-while-drilling nipple for coiled tubing engineering according to claim 1, wherein a first multi-core pressure bearing plug is further arranged between the torque sensor and the torque processing circuit; and a data interconnection relation is established between the torque sensor and the torque processing circuit through the first multi-core pressure bearing plug.
4. The measurement-while-drilling nipple for coiled tubing engineering according to claim 1, wherein an upper connector and a lower connector are fixed on a main body structure of the measurement nipple; the upper connector is in threaded connection with an instrument on the upper part of the continuous oil pipe; the lower connector is in threaded connection with an instrument on the upper part of the continuous oil pipe.
5. The measurement-while-drilling nipple for coiled tubing engineering according to claim 4, wherein sealing rings are further respectively disposed at a position where the upper connector is interconnected with the coiled tubing upper instrument thread and a position where the lower connector is interconnected with the coiled tubing upper instrument thread.
6. The measurement-while-drilling nipple for coiled tubing engineering according to claim 1, further comprising: a data transmission bus; the data transmission bus is connected with the measuring circuit, is respectively connected with the upper instrument of the coiled tubing and the lower instrument of the coiled tubing through single-core pressure-bearing plugs arranged at two ends of a main structure of the measuring nipple, and is used for realizing signal transmission and intercommunication among the measuring nipple, the upper instrument of the coiled tubing and the lower instrument of the coiled tubing during the coiled tubing engineering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020476329.6U CN211974956U (en) | 2020-04-03 | 2020-04-03 | Measuring nipple while drilling for coiled tubing engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020476329.6U CN211974956U (en) | 2020-04-03 | 2020-04-03 | Measuring nipple while drilling for coiled tubing engineering |
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| Publication Number | Publication Date |
|---|---|
| CN211974956U true CN211974956U (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020476329.6U Expired - Fee Related CN211974956U (en) | 2020-04-03 | 2020-04-03 | Measuring nipple while drilling for coiled tubing engineering |
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| Country | Link |
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| CN (1) | CN211974956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550733A (en) * | 2020-04-03 | 2021-10-26 | 中石化石油工程技术服务有限公司 | Measurement-while-drilling nipple for coiled tubing engineering and use method thereof |
-
2020
- 2020-04-03 CN CN202020476329.6U patent/CN211974956U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113550733A (en) * | 2020-04-03 | 2021-10-26 | 中石化石油工程技术服务有限公司 | Measurement-while-drilling nipple for coiled tubing engineering and use method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 Termination date: 20210403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |