CN212563199U - Measuring device for annular drilling fluid density after gas invasion under high-temperature and high-pressure conditions - Google Patents
Measuring device for annular drilling fluid density after gas invasion under high-temperature and high-pressure conditions Download PDFInfo
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- CN212563199U CN212563199U CN202021365600.5U CN202021365600U CN212563199U CN 212563199 U CN212563199 U CN 212563199U CN 202021365600 U CN202021365600 U CN 202021365600U CN 212563199 U CN212563199 U CN 212563199U
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- fluid density
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- pressure condition
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Abstract
The utility model discloses a measuring device of annular space drilling fluid density after gas invasion takes place under high temperature high pressure condition, including ground main part, backup pad and second screw thread section of thick bamboo, the intermediate position department at ground main part top has run through the drilling string main part, and the top of drilling string main part is provided with the mounting panel. This measuring device of annular space drilling fluid density after gas invasion takes place under high temperature high pressure condition, be connected through the meshing of second gear and first gear, and the threaded connection of first gear and first screw thread section of thick bamboo, first screw thread section of thick bamboo is connected with the rotation of second installation pole, when making servo motor drive pivot rotate, can make first screw thread section of thick bamboo remove to the highest point, and then can directly place the device in the top of drilling string main part, and need not utilize the lifting by crane equipment assistance to go on, and be convenient for measure the drilling fluid density of the different degree of depth fast, and can increase the stability in the use.
Description
Technical Field
The utility model relates to an oil gas drilling technical field specifically is a measurement device of annular space drilling fluid density after gas invasion takes place under the high temperature high pressure condition.
Background
Along with the continuous development of society, the demand of energy also continuously increases thereupon, consequently oil gas exploration and development plays an important role in modern industrial production, in the well drilling process, when the stratum pressure is greater than bottom hole pressure, the stratum gas invades the annular space easily, lead to drilling fluid density and annular space liquid column pressure to reduce, easily cause accidents such as blowout, influence further drilling work, consequently, need measure annular space pressure and drilling fluid density, discover in time that the gas invades the condition and implement corresponding measure, the measuring device of annular space drilling fluid density can satisfy people's user demand basically after traditional high temperature high pressure condition gas invasion takes place down, but still have certain problem, concrete problem is as follows:
1. when the existing measuring device for the annular drilling fluid density after gas invasion under the high-temperature and high-pressure conditions is used, the existing measuring device needs to be lifted by a lifting device and put into drilling fluid to complete measurement due to the long length of the existing measuring device, so that the existing measuring device is troublesome to install and use;
2. the measuring device of annular space drilling fluid density takes place the back because gas is constantly invading under the current high temperature high pressure condition, causes the annular space fluid fluctuation easily because of gas, causes measuring device can rock along with drilling fluid emergence when using, causes the device to rock along with drilling fluid emergence when using easily, and then leads to the measured value to take place the error.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a measuring device of annular space drilling fluid density after the emergence is invaded to gas under the high temperature high pressure condition to the gas is invaded and is taken place comparatively trouble when measuring device of annular space drilling fluid density after the emergence under the high temperature high pressure condition who proposes in solving above-mentioned background art, and rocks the problem that causes the measured value to take place the error along with the drilling fluid easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a measuring device of annular space drilling fluid density after gas invasion takes place under high temperature high pressure condition, includes ground main part, backup pad and a second screw thread section of thick bamboo, the intermediate position department at ground main part top has run through there is the drilling string main part, and the top of drilling string main part is provided with the mounting panel, first spout has been seted up to the intermediate position department at mounting panel top, and the inside of first spout is provided with first slider, first gear is installed at the top of first slider, the both sides at ground main part top are fixed with the backup pad, and the inboard of backup pad has seted up the second spout, the inside of second spout is provided with the second slider, and the second slider is kept away from one side of second spout and is installed first installation pole, the both sides of mounting panel bottom run through there is a second screw thread section of thick bamboo.
Preferably, be fixed with servo motor on the mounting panel of first spout avris, and servo motor's output is connected with the pivot, the outside cover of pivot is established and is fixed with the second gear.
Preferably, a second mounting rod is fixed at the middle position of the bottom of the first mounting rod, and the second mounting rod penetrates through the mounting plate and extends into the drill string main body.
Preferably, the outside cover that the second installation pole is close to the top is equipped with a screw thread section of thick bamboo, and the outside that the second installation pole is close to the bottom is provided with pressure detector, be provided with the density detector on the second installation pole between the pressure detector.
Preferably, the limiting plates penetrate through two sides of the interior of the second threaded cylinder, springs are connected between the limiting plates and the second threaded cylinder, and a U-shaped plate is fixed on one side, close to the second threaded cylinder, of each limiting plate.
Preferably, a screw rod penetrates through the top of the second threaded cylinder, a rotary table is installed at the bottom end of the screw rod, and an extrusion block is arranged at the bottom of the rotary table.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the first threaded cylinder is connected with the second mounting rod in a rotating mode, so that the first threaded cylinder can drive the second mounting rod to move up and down when the servo motor drives the rotating shaft to rotate, and the first threaded cylinder can be directly placed above the drill string main body when being moved to the highest position, so that the device is not required to be assisted by lifting equipment in use and is more convenient;
2. when the servo motor drives the rotating shaft to rotate, the first threaded cylinder and the second mounting rod can be driven to move up and down along with the rotating shaft, so that an operator can conveniently and quickly adjust the depth of the two groups of pressure detectors on the second mounting rod in the drill string main body, and the operator can conveniently and quickly measure the drilling fluid density at different depths;
3. through the threaded connection of a second screw thread section of thick bamboo and mounting panel for in operating personnel can twist a second screw thread section of thick bamboo into the ground main part, simultaneously through the threaded connection of screw rod and a second screw thread section of thick bamboo, make operating personnel can twist and move the screw rod and drive the extrusion piece with the limiting plate extrusion horizontal insertion ground main part in, and then increase the stability in the use.
Drawings
FIG. 1 is a schematic sectional view of the front view of the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
FIG. 3 is a schematic view of the structure of the present invention;
fig. 4 is a schematic top sectional view of a second threaded cylinder according to the present invention;
fig. 5 is a schematic top sectional view of the first slider according to the present invention.
In the figure: 1. a ground main body; 2. a drill string body; 3. mounting a plate; 4. a first chute; 5. a second slider; 6. a first gear; 7. a servo motor; 8. a rotating shaft; 9. a second gear; 10. a support plate; 11. A second chute; 12. a second slider; 13. a first mounting bar; 14. a second mounting bar; 15. a first threaded barrel; 16. a pressure detector; 17. a second threaded barrel; 18. a limiting plate; 19. a spring; 20. a U-shaped plate; 21. a screw; 22. a turntable; 23. extruding the block; 24. and (5) a density detector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a measuring device for the density of annular drilling fluid after gas invasion under the conditions of high temperature and high pressure comprises a ground main body 1, a supporting plate 10 and a second threaded barrel 17, wherein a drill string main body 2 penetrates through the middle position of the top of the ground main body 1, a mounting plate 3 is arranged above the drill string main body 2, a first chute 4 is arranged at the middle position of the top of the mounting plate 3, a first sliding block 5 is arranged inside the first chute 4, a first gear 6 is arranged at the top of the first sliding block 5, a servo motor 7 is fixed on the mounting plate 3 at the side of the first chute 4, the type of the servo motor 7 can be XY86STH80-5504A, the output end of the servo motor 7 is connected with a rotating shaft 8, a second gear 9 is fixedly sleeved on the outer side of the rotating shaft 8, the first sliding block 5 and the first chute 4 form a relative sliding structure, the second gear 9 is connected with the first gear 6 in a meshing manner, so that when the rotating shaft 8 and the second gear 9 are driven by the servo, the first gear 6 can rotate along with the first gear;
two sides of the top of the ground main body 1 are fixed with supporting plates 10, the inner sides of the supporting plates 10 are provided with second sliding grooves 11, second sliding blocks 12 are arranged inside the second sliding grooves 11, one sides, far away from the second sliding grooves 11, of the second sliding blocks 12 are provided with first mounting rods 13, second mounting rods 14 are fixed at the middle positions of the bottoms of the first mounting rods 13, the second mounting rods 14 penetrate through the mounting plates 3 and extend into the drill string main body 2, and the second mounting rods 14 and the second sliding grooves 11 form a relative sliding structure, so that when the second mounting rods 14 move up and down, the second sliding blocks 12 can slide inside the second sliding grooves 11, and further the second mounting rods 14 can move up and down; so that the height of the drilling fluid can be conveniently adjusted by an operator for installation, or the drilling fluid at different depths can be conveniently measured;
a first threaded cylinder 15 is sleeved on the outer side, close to the top end, of the second mounting rod 14, a pressure detector 16 is arranged on the outer side, close to the bottom end, of the second mounting rod 14, a density detector 24 is arranged on the second mounting rod 14 between the pressure detectors 16, the first threaded cylinder 15 is in threaded connection with the first gear 6, the first threaded cylinder 15 and the second mounting rod 14 form a relative rotation structure, when the servo motor 7 drives the first gear 6 to rotate, the first threaded cylinder 15 can drive the second mounting rod 14 to move up and down, the second mounting rod 14 cannot rotate along with the first threaded cylinder 15, two groups of pressure detectors 16 are arranged, so that pressures at different positions in the drill string main body 2 can be detected, the density of drilling fluid between the two groups of pressure detectors 16 can be obtained through calculation, and the density detector 24 can directly detect the density of the drilling fluid at the section, thereby mutually authenticating with the result;
the two sides of the bottom of the mounting plate 3 are penetrated by second threaded cylinders 17, the two sides of the interior of each second threaded cylinder 17 are penetrated by limiting plates 18, a spring 19 is connected between each limiting plate 18 and each second threaded cylinder 17, a U-shaped plate 20 is fixed on one side, close to each second threaded cylinder 17, of each limiting plate 18, each second threaded cylinder 17 is in threaded connection with the mounting plate 3, an operator can screw the second threaded cylinders 17 into the ground body 1, the stability of the device in use is improved, the limiting plates 18 and the second threaded cylinders 17 form a relative sliding structure, the cross sections of the U-shaped plates 20 are triangular, and when the U-shaped plates 20 are extruded from the upper side, the limiting plates 18 can slide towards the exterior of the second threaded cylinders 17 and are transversely inserted into the interior of the ground body 1, so that the stability of the device is further improved;
The working principle is as follows: when the device for measuring the annular drilling fluid density after gas invasion under the high-temperature and high-pressure condition is used, the device is placed above the drill string main body 2, the second mounting rod 14 is aligned with the measuring hole of the drill string main body 2, the second thread cylinder 17 is screwed towards the inside of the ground main body 1 through the threaded connection between the second thread cylinder 17 and the mounting plate 3, so that the stability of the device in the using process is ensured, meanwhile, the screw 21 is screwed towards the inside of the second thread cylinder 17 through the threaded connection between the screw 21 and the second thread cylinder 17, so that the extrusion block 23 is driven to move downwards, the inclined edges of the U-shaped plates 20 on the two groups of limiting plates 18 are respectively extruded, through the sliding connection between the limiting plates 18 and the second thread cylinder 17 and the elasticity of the spring 19, the two groups of limiting plates 18 can slide towards the outside of the second thread cylinder 17 and then are transversely inserted into the inside of the ground main body 1, thereby further increasing the stability of the device in use;
after the fixation is finished, the device is powered on, the pressure detector 16 is electrically connected with the display mechanism through a lead, the lead can penetrate through the second mounting rod 14 to be connected, the servo motor 7 is controlled to drive the rotating shaft 8 and the second gear 9 to rotate in the forward direction, the second gear 9 is meshed with the first gear 6 through the second gear 9 and is connected with the first sliding chute 4 in a sliding manner, the first gear 6 can rotate along with the lead through the threaded connection of the first threaded barrel 15 and the first gear 6 and the sliding connection of the second sliding block 12 and the second sliding chute 11, the second mounting rod 14 is connected with the first threaded barrel 15 in a rotating manner, the first threaded barrel 15 can move downwards along with the lead, meanwhile, the second mounting rod 14 can move downwards along with the lead but does not rotate along with the lead until the second mounting rod 14 drives the two groups of pressure detectors 16 on the second mounting rod to move to a specified depth in the drill string main body 2, open two sets of pressure measurement appearance 16 and survey the pressure value respectively, because distance and the total degree of depth between two sets of pressure measurement appearance 16 are known, consequently can obtain the density of drilling fluid between two sets of pressure measurement appearance 16 from this, density detection appearance 24 can carry out direct detection to this section density, thereby verify each other with above-mentioned result, make the result more accurate, can drive first threaded cylinder 15 and second installation pole 14 through control servo motor 7 fast simultaneously and move down to the different degree of depth, and then inconvenient operating personnel carries out the rapid survey to the drilling fluid of the different degree of depth.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a measuring device of annular space drilling fluid density after gas invasion takes place under high temperature high pressure condition, includes ground main part (1), backup pad (10) and second screw thread section of thick bamboo (17), its characterized in that: the drill string is characterized in that a drill string main body (2) penetrates through the middle position of the top of the ground main body (1), a mounting plate (3) is arranged above the drill string main body (2), a first sliding groove (4) is formed in the middle position of the top of the mounting plate (3), a first sliding block (5) is arranged inside the first sliding groove (4), a first gear (6) is installed at the top of the first sliding block (5), supporting plates (10) are fixed to the two sides of the top of the ground main body (1), a second sliding groove (11) is formed in the inner side of each supporting plate (10), a second sliding block (12) is arranged inside the second sliding groove (11), a first mounting rod (13) is installed on one side, away from the second sliding groove (11), of the second sliding block (12), and a second threaded barrel (17) penetrates through the two sides of the bottom of the mounting plate (3).
2. The device for measuring the annular drilling fluid density after gas invasion under the high-temperature and high-pressure condition according to claim 1, wherein: be fixed with servo motor (7) on mounting panel (3) of first spout (4) avris, and the output of servo motor (7) is connected with pivot (8), the outside cover of pivot (8) is established and is fixed with second gear (9).
3. The device for measuring the annular drilling fluid density after gas invasion under the high-temperature and high-pressure condition according to claim 1, wherein: a second mounting rod (14) is fixed at the middle position of the bottom of the first mounting rod (13), and the second mounting rod (14) penetrates through the mounting plate (3) and extends into the drill string main body (2).
4. The device for measuring the annular drilling fluid density after gas invasion under the high-temperature and high-pressure condition according to claim 3, wherein: the outside cover that second installation pole (14) are close to the top is equipped with first screw thread section of thick bamboo (15), and second installation pole (14) are close to the outside of bottom and are provided with pressure detector (16), be provided with density detector (24) on second installation pole (14) between pressure detector (16).
5. The device for measuring the annular drilling fluid density after gas invasion under the high-temperature and high-pressure condition according to claim 1, wherein: limiting plates (18) penetrate through two sides of the interior of the second threaded cylinder (17), springs (19) are connected between the limiting plates (18) and the second threaded cylinder (17), and a U-shaped plate (20) is fixed on one side, close to the second threaded cylinder (17), of each limiting plate (18).
6. The device for measuring the annular drilling fluid density after gas invasion under the high-temperature and high-pressure condition according to claim 1, wherein: the top of the second threaded cylinder (17) is penetrated with a screw (21), the bottom end of the screw (21) is provided with a turntable (22), and the bottom of the turntable (22) is provided with an extrusion block (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365600.5U CN212563199U (en) | 2020-07-13 | 2020-07-13 | Measuring device for annular drilling fluid density after gas invasion under high-temperature and high-pressure conditions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021365600.5U CN212563199U (en) | 2020-07-13 | 2020-07-13 | Measuring device for annular drilling fluid density after gas invasion under high-temperature and high-pressure conditions |
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| Publication Number | Publication Date |
|---|---|
| CN212563199U true CN212563199U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021365600.5U Expired - Fee Related CN212563199U (en) | 2020-07-13 | 2020-07-13 | Measuring device for annular drilling fluid density after gas invasion under high-temperature and high-pressure conditions |
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| CN (1) | CN212563199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958283A (en) * | 2021-12-21 | 2022-01-21 | 四川环钻星空能源科技有限公司 | Underground fishing tool |
-
2020
- 2020-07-13 CN CN202021365600.5U patent/CN212563199U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958283A (en) * | 2021-12-21 | 2022-01-21 | 四川环钻星空能源科技有限公司 | Underground fishing tool |
| CN113958283B (en) * | 2021-12-21 | 2022-03-08 | 四川环钻星空能源科技有限公司 | Underground fishing tool |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210219 Termination date: 20210713 |