CN109281659B - Drilling fluid pulser linkage for intelligent drilling system - Google Patents
Drilling fluid pulser linkage for intelligent drilling system Download PDFInfo
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- CN109281659B CN109281659B CN201811315833.1A CN201811315833A CN109281659B CN 109281659 B CN109281659 B CN 109281659B CN 201811315833 A CN201811315833 A CN 201811315833A CN 109281659 B CN109281659 B CN 109281659B
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- hole
- suspension
- pulse generator
- hanging
- radial
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
- E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
Abstract
The invention discloses a drilling fluid pulse generator suspension device for an intelligent drilling system. The hanging conversion sleeve, the connecting pipe and the compensation type connector are arranged inside the hanging short section. A hanging step is arranged inside the hanging short section and used for installing a hanging conversion sleeve. A wire passing hole is axially formed in the inner portion of one side of the short section wall, the pulse generator driving lead is arranged in the wire passing hole, and the lower end of the wire passing hole is sealed in a welding mode to form a plugging hole. The hanging conversion sleeve is divided into an outer cylinder and an inner cylinder, the outer circle of the outer cylinder is of a reducing structure to form a step, and the step is hung on the hanging step inside the hanging short section. The lower end of the inner cylinder of the suspension conversion sleeve is connected with a connecting pipe through threads, and the lower end of the connecting pipe is connected with a pulse generator through threads. The suspension device mainly has the function of suspending the drilling fluid pulse generator above the intelligent drilling system and enabling the drilling fluid pulse generator to be effectively butted with the intelligent drilling system. The whole device has compact structure and simple and convenient assembly.
Description
Technical Field
The invention relates to the field of oil drilling equipment, in particular to a drilling fluid pulse generator suspension device for an intelligent drilling system.
Background
The drilling fluid pulse generator is an important component of an intelligent drilling system and plays an important role in transmitting well deviation data and working parameters to the ground, and the service life of the drilling fluid pulse generator is directly related to the service life of the intelligent drilling system. When the upper large-size well is constructed, the discharge capacity of drilling fluid is large, the pumping pressure is high, the sand content is high, parts of the common pulse generator are easy to wear, the amplitude of a pulse signal is weakened or even disappears, and the common pulse generator is easy to block and cannot act, so that the pulse generator fails, and the service life of an intelligent drilling system is seriously influenced. Therefore, the drilling fluid pulse generator which is wide in displacement range, large in signal intensity, low in requirement on the performance of the drilling fluid and simple in structure is provided. The main valve moves downwards when the pulse generator sends pulses, the action direction of the main valve is opposite to that of the main valve of the pulse generator of the traditional intelligent drilling system, and the driving end of the pulse generator is positioned above the main valve.
Disclosure of Invention
The invention aims to solve the technical problem of providing a suspension device of a drilling fluid pulse generator for an intelligent drilling system, wherein the drilling fluid pulse generator is suspended above the intelligent drilling system and is effectively butted with the intelligent drilling system.
In order to solve the technical problems, the invention adopts the technical scheme that: a drilling fluid pulse generator suspension device for an intelligent drilling system comprises a suspension short section, a suspension conversion sleeve, a connecting pipe and a compensation connector, wherein the suspension conversion sleeve and the connecting pipe are installed inside the suspension short section; a wire passing hole is axially arranged in one side of the wall of the hanging nipple, the upper end and the lower end of the wire passing hole are respectively connected with two radial step holes, an upper wire outlet hole and a lower wire outlet hole are respectively arranged in the upper radial step hole and the lower radial step hole, a pulse generator driving lead is arranged in the wire passing hole, the upper end of the pulse generator driving lead penetrates out of the upper wire outlet hole, the upper radial step hole is connected with a pulse generator lead, the lower end of the pulse generator driving lead penetrates out of the lower wire outlet hole, and the lower radial step hole is connected with a pulse generator control signal output lead; the upper radial stepped hole and the lower radial stepped hole are respectively provided with an upper wire passing screw, an upper hole plug, a lower wire passing screw and a lower hole plug; the lower end of the wire passing hole is sealed in a welding mode to form a plugging hole; the suspension conversion sleeve is divided into an outer cylinder and an inner cylinder, the outer circle of the outer cylinder is of a reducing structure to form a step, the inner cylinder is hollow, the two parts are connected through a connecting rib, and the rest space is an annular flow passage; the connecting rib is provided with a radial line passing hole which passes through the outer cylinder wall and the inner cylinder wall to communicate the inner hole of the inner cylinder with the outside, and the position of the radial line passing hole corresponds to the position of a radial step hole on the hanging short section.
The lower end of the inner cylinder of the suspension conversion sleeve is connected with a connecting pipe through threads, the connecting pipe is of a hollow circular tubular structure, the lower end of the inner cylinder of the suspension conversion sleeve is connected with a pulse generator through threads, a pulse generator lead is led out from the upper end of the pulse generator, penetrates through an inner hole of the connecting pipe and an inner hole of the inner cylinder of the suspension conversion sleeve, is converted from an axial direction into a radial direction from a radial direction through a radial line passing hole of the suspension conversion sleeve, enters a radial step hole in the suspension nipple through an upper line passing screw, and is connected with a pulse generator driving lead in the line passing hole of the suspension nipple.
And the step on the excircle of the outer cylinder of the hanging conversion sleeve is hung on the hanging step inside the hanging short section.
The lower end of the compensation type connector is connected with the upper end of the slurry generator, a pulse control driving circuit system in the slurry generator is connected with a pulse generator control signal output lead in the compensation type connector through a coaxial connector, the pulse generator control signal output lead is axially converted into radially extending from a radial wire passing hole of a compensation type connector conversion sleeve, enters a radial stepped hole below the suspended nipple through a lower wire passing screw and is connected with a pulse generator driving lead in the wire passing hole of the suspended nipple.
The invention has the beneficial effects that: the suspension device mainly has the function of suspending the drilling fluid pulse generator above the intelligent drilling system and enabling the drilling fluid pulse generator to be effectively butted with the intelligent drilling system. The whole device has compact structure and simple and convenient assembly.
Drawings
FIG. 1 is a schematic diagram of the construction of a drilling fluid pulser suspension assembly for an intelligent drilling system according to the present invention;
FIG. 2 is an enlarged view of a portion of the location of the suspension structure of the drilling fluid pulser suspension apparatus for use in the intelligent drilling system of the present invention;
FIG. 3 is an enlarged view of a portion of the compensated connector position of the drilling fluid pulser suspension assembly for use in the intelligent drilling system of the present invention.
In the figure, 1-drilling fluid pulser suspension; 2-hanging short joints; 21-hanging a pup joint cavity; 211-upper cavity; 2111-hanging step; 212-lower cavity; 22-upper joint thread; 23-lower joint threads; 24-a wire through hole; 241-upper outlet hole; 242-lower outlet hole; 243-plugging the hole; 25-an upper radial stepped bore; 251-upper wire passing screws; 252-upper hole blocking; 26-lower radial step hole; 261-lower wire-passing screw; 262-plugging lower hole; 3-water eyes; 4-a pulse generator; 5-a suspension structure; 51-hanging a transition sleeve; 511-hanging the conversion sleeve outer cylinder; 512-hanging the inner cylinder of the conversion sleeve; 513-hanging transition sleeve steps; 514-hanging the conversion sleeve connecting rib; 515-hanging the transition sleeve annular flow channel; 516-hanging transition sleeve radial wire passing holes; 52-connecting tube; 6-circulating sleeve; 7-a compensating connector; 71-a coaxial connector; 72-compensating connector transition sleeve; 721-radial wire passing holes of the compensation type connector conversion sleeve; 8-short section of generator; 9-slurry generator.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 and 2, the suspension device for the drilling fluid pulser for the intelligent drilling system comprises a suspension pup joint 2, a suspension conversion sleeve 51, a connecting pipe 52 and a compensation connector 7. The hanging conversion sleeve 51, the connecting pipe 52 and the compensation connector 7 are installed inside the hanging short section 2, the hanging conversion sleeve 51 is connected with the pulse generator 4 through the connecting pipe 52, and an annular space between the hanging conversion sleeve 51, the connecting pipe 52, the pulse generator 4 and the hanging short section 2 is a water hole 3, so that drilling fluid can pass through. The hanging short section 2 is of a cylindrical structure, the middle part of the hanging short section is a cavity 21, and the upper end and the lower end of the short section are respectively provided with an upper joint thread 22 and a lower joint thread 23. The cavity 21 is divided into an upper cavity 211 and a lower cavity 212, the upper end of the upper cavity 211 is provided with a hanging step 2111 for installing the hanging conversion sleeve 51, and the lower cavity 212 is used for installing the compensating connector 7. A wire passing hole 24 is axially arranged in one side of the short section wall, the upper end and the lower end of the wire passing hole 24 are respectively connected with two radial stepped holes 25 and 26, and an upper wire outlet hole 241 and a lower wire outlet hole 242 are respectively arranged in the upper radial stepped hole 25 and the lower radial stepped hole 26. The pulse generator driving lead is arranged in the wire passing hole 24, the upper end of the pulse generator driving lead penetrates out of the upper wire outlet hole 241, the pulse generator driving lead is connected with the pulse generator lead in the upper radial step hole 25, the lower end of the pulse generator driving lead penetrates out of the lower wire outlet hole 242, and the pulse generator driving lead is connected with the pulse generator control signal output lead in the lower radial step hole 26. The upper radial stepped hole 25 and the lower radial stepped hole 26 are respectively provided with an upper wire passing screw 251, an upper hole plug 252, a lower wire passing screw 261 and a lower hole plug 262. The lower end of the wire through hole 24 is sealed by welding to form a sealing hole 243. The hanging conversion sleeve 51 is divided into an outer cylinder 511 and an inner cylinder 512, the outer circle of the outer cylinder 511 is of a reducing structure to form a step 513, the inner cylinder 512 is hollow, the two parts are connected through a connecting rib 514, and the rest space is an annular flow channel 515. The connecting rib 514 is provided with a radial line passing hole 516 which passes through the outer cylinder wall and the inner cylinder wall to communicate the inner hole of the inner cylinder with the outside. The position of the radial line passing hole 516 corresponds to the position of the radial step hole 25 on the hanging short section 2.
In the present embodiment, as shown in fig. 1 and 2, the lower end of the inner tube 512 of the suspension switch sleeve 51 is connected to the connection pipe 52 by a screw. The connecting pipe 52 is a hollow round pipe structure, and the lower end of the connecting pipe is connected with the pulse generator 4 through threads. The pulse generator lead is led out from the upper end of the pulse generator 4, passes through the inner hole of the connecting pipe 52 and the inner hole of the inner cylinder 512 of the hanging conversion sleeve, is converted from an axial direction to a radial direction to extend out from the radial wire passing hole 516 of the hanging conversion sleeve 51, enters the radial step hole 25 on the hanging nipple through the upper wire passing screw 251, and is connected with the pulse generator driving lead in the wire passing hole 24 of the hanging nipple.
In the present embodiment, as shown in fig. 1 and 2, the step 513 on the outer circumference of the hanging conversion sleeve outer cylinder 511 is hung on the hanging step 2111 inside the hanging nipple 2. The structure is continued to use the existing power supply mode of the intelligent drilling system, combines the structure and the working characteristics of the pulse generator 4, adopts the suspension structure 5, installs the pulse generator 4 at the uppermost end of the intelligent drilling system and suspends the pulse generator inside the suspension short section 2, and enables the pulse generator 4 to work in cooperation with the circulating sleeve 6 installed inside the suspension short section 2.
In the present embodiment, as shown in fig. 1 and 3, the lower end of the compensation connector 7 is connected to the upper end of the slurry generator 9, and both of them connect the pulse control drive circuit system inside the slurry generator 9 to the pulse generator control signal output lead inside the compensation connector 7 via the coaxial connector 71. The pulse generator control signal output conductor is changed from an axial direction to a radial direction from the radial line passing hole 721 of the compensation type connector conversion sleeve 72 to extend out, enters the lower radial step hole 26 of the suspended nipple through the lower line passing screw 261 and is connected with the pulse generator driving conductor in the suspended nipple line passing hole 24. When the pulse generator works, a pulse control driving circuit system integrated in the mud generator of the intelligent drilling system transmits a pulse driving signal to the driving end of the pulse generator 4 through a wire in the compensation connector 7, a wire in the suspension short joint 2 and a wire in the suspension conversion sleeve 51, so that the pulse generator 4 is driven to work. Other configurations of compensating connectors may of course be selected.
The suspension device for the drilling fluid pulse generator for the intelligent drilling system mainly has the function of suspending the drilling fluid pulse generator above the intelligent drilling system and effectively butting the drilling fluid pulse generator with the intelligent drilling system. The scheme continues to use the existing power supply mode of the intelligent drilling system, combines the structure and the working characteristics of the pulse generator, adopts a suspension structure, and installs the pulse generator at the uppermost end of the intelligent drilling system and hangs inside the short joint. Meanwhile, a pulse control driving circuit system integrated in the mud generator of the intelligent drilling system transmits a pulse driving signal to a driving end of the pulse generator through a compensating connector, a hanging short section and a wire in a hanging conversion sleeve, so that the matched connection of the pulse generator and the intelligent drilling system is realized. The whole device has compact structure and simple and convenient assembly.
In summary, the disclosure of the present invention is not limited to the above-mentioned embodiments, and persons skilled in the art can easily set forth other embodiments within the technical teaching of the present invention, but such embodiments are included in the scope of the present invention.
Claims (3)
1. A drilling fluid impulse generator suspension device for an intelligent drilling system is characterized by comprising a suspension short section (2), a suspension conversion sleeve (51), a connecting pipe (52) and a compensation connector (7), wherein the suspension conversion sleeve (51) and the connecting pipe (52) are installed inside the suspension short section (2), the suspension conversion sleeve (51) is connected with an impulse generator (4) through the connecting pipe (52), an annular space between the suspension conversion sleeve (51), the connecting pipe (52) and the suspension short section (2) is a water hole (3) for drilling fluid to pass through, the suspension short section (2) is of a cylindrical structure, the middle part is a cavity, the upper end and the lower end of the short section are respectively provided with an upper connector thread and a lower connector thread, the cavity is divided into an upper cavity (211) and a lower cavity (212), the upper end of the upper cavity (211) is provided with a suspension step (2111), the lower cavity is used for mounting a compensation type connector (7); a wire passing hole (24) is axially arranged in one side of the wall of the hanging short section (2), the upper end and the lower end of the wire passing hole are respectively connected with two radial step holes, an upper wire outlet hole (241) and a lower wire outlet hole (242) are respectively arranged in the upper radial step hole (25) and the lower radial step hole (26), a pulse generator driving lead is arranged in the wire passing hole, the upper end of the pulse generator driving lead penetrates out of the upper wire outlet hole (241), the upper radial step hole (25) is connected with a pulse generator lead, the lower end of the pulse generator driving lead penetrates out of the lower wire outlet hole (242), and the lower radial step hole (26) is connected with a pulse generator control signal output lead; the upper radial stepped hole (25) and the lower radial stepped hole (26) are respectively provided with an upper wire passing screw (251), an upper hole plug (252), a lower wire passing screw (261) and a lower hole plug (262); the lower end of the wire passing hole (24) is sealed in a welding mode to form a plugging hole (243); the suspension conversion sleeve (51) is divided into an outer cylinder (511) and an inner cylinder (512), the outer circle of the outer cylinder (511) is of a reducing structure to form a step (513), the inner cylinder (512) is hollow, the two parts are connected through a connecting rib (514), and the rest space is an annular flow passage (515); a radial line passing hole (516) is formed in the connecting rib (514), penetrates through the outer cylinder wall and the inner cylinder wall to communicate the inner hole of the inner cylinder with the outside, and the position of the radial line passing hole (516) corresponds to the position of a radial step hole (25) in the hanging short section (2); the lower end of the compensation type connector (7) is connected with the upper end of a slurry generator (9), a pulse control driving circuit system in the slurry generator is connected with a pulse generator control signal output lead in the compensation type connector through a coaxial connector, the pulse generator control signal output lead is axially converted into radially extending from a radial wire passing hole of a compensation type connector conversion sleeve, enters a lower radial stepped hole of the hanging nipple through a lower wire passing screw and is connected with a pulse generator driving lead in the wire passing hole of the hanging nipple.
2. The suspension device of the drilling fluid pulse generator for the intelligent drilling system as claimed in claim 1, wherein the lower end of the inner cylinder of the suspension conversion sleeve (51) is connected with the connecting pipe (52) through threads, the connecting pipe (52) is of a hollow round tubular structure, the lower end of the inner cylinder of the suspension conversion sleeve is connected with the pulse generator (4) through threads, a pulse generator lead is led out from the upper end of the pulse generator, passes through an inner hole of the connecting pipe (52) and an inner hole of the inner cylinder (512) of the suspension conversion sleeve, is converted from an axial direction into a radial direction to extend out from a radial line passing hole (516) of the suspension conversion sleeve, enters a radial step hole (25) on the suspension short section through an upper line passing screw (251) and is connected with a pulse generator driving lead in a line passing hole of the suspension short section.
3. The suspension device of drilling fluid pulser for intelligent drilling system as claimed in claim 1, wherein the step on the outer circle of said suspension conversion sleeve outer cylinder (511) is suspended on the suspension step (2111) inside the suspension short section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315833.1A CN109281659B (en) | 2018-11-06 | 2018-11-06 | Drilling fluid pulser linkage for intelligent drilling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811315833.1A CN109281659B (en) | 2018-11-06 | 2018-11-06 | Drilling fluid pulser linkage for intelligent drilling system |
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| Publication Number | Publication Date |
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| CN109281659A CN109281659A (en) | 2019-01-29 |
| CN109281659B true CN109281659B (en) | 2022-04-19 |
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| CN201811315833.1A Active CN109281659B (en) | 2018-11-06 | 2018-11-06 | Drilling fluid pulser linkage for intelligent drilling system |
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| CN114645680A (en) * | 2020-12-21 | 2022-06-21 | 航天科工惯性技术有限公司 | Suspension type probe tube structure |
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| CN109281659A (en) | 2019-01-29 |
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Effective date of registration: 20220322 Address after: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Applicant after: CNPC Bohai Drilling Engineering Co.,Ltd. Applicant after: China National Petroleum Corporation Limited Address before: China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd., No. 83, Second Street, economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Applicant before: CNPC Bohai Drilling Engineering Co.,Ltd. |
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