CN115822571B - Logging instrument for oil field development - Google Patents
Logging instrument for oil field development Download PDFInfo
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- CN115822571B CN115822571B CN202310063465.0A CN202310063465A CN115822571B CN 115822571 B CN115822571 B CN 115822571B CN 202310063465 A CN202310063465 A CN 202310063465A CN 115822571 B CN115822571 B CN 115822571B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention relates to the technical field of logging, in particular to a logging instrument for oilfield development. The device comprises a well-descending hanging mechanism, wherein the well-descending hanging mechanism is used for driving a logging instrument to enter the underground of an oil field, a shielding protection mechanism is arranged at the end part of the well-descending hanging mechanism, a pressure measuring mechanism is arranged inside the shielding protection mechanism, and after the pressure measuring mechanism and the shielding protection mechanism are assembled, the shielding protection mechanism is used for shielding above the pressure measuring mechanism, so that the well-descending hanging mechanism stretches the shielding protection mechanism and the pressure measuring mechanism into the underground. The shielding protection mechanism is used for shielding the upper part of the pressure sensor, so that impact damage to the pressure sensor is reduced, the protection safety is improved, the shielding protection mechanism limits the shaking range of the pressure sensor, damage caused by large shaking amplitude is avoided, meanwhile, the limiting plate is opened from the inside of the limiting groove to form a barb shape, the heavier the pressure sensor is, the higher the installation strength is, and the logging safety is improved.
Description
Technical Field
The invention relates to the technical field of water meters of the Internet of things, in particular to a logging instrument for oil field development.
Background
In the field of oilfield exploitation, various petroleum geology and engineering technical data are often required to be obtained through oilfield logging, so that various oilfield logging dynamic monitoring devices are required, wherein oilfield pressure refers to pressure measured at the bottom of a well during production of the well, the bottom pressure is a key index of the production well, oil gas flowing into the bottom of the well is lifted to the ground by the bottom pressure, and therefore, the bottom pressure is an important mark of the self-injection capacity of the oil gas well, and therefore, in order to know the bottom pressure, a pressure sensor is required to drill into the bottom of the well by means of machinery, so that the pressure of the well can be effectively measured by personnel conveniently;
for logging tools for oilfield development, there are many prior art techniques, such as:
according to the Chinese patent application number: CN202222087296.8 discloses an oilfield logging pressure measurement device convenient to install, which belongs to the technical field of pressure measurement devices, and comprises a fixed seat and a hydraulic rod installed on the side wall of the fixed seat, wherein an installation rod is arranged below the hydraulic rod, a connecting hole is formed in the center position of the bottom end surface of the installation rod, an oilfield pressure sensor is connected in an anastomotic manner in the connecting hole, a telescopic hole is formed in the inner wall of the connecting hole, an electromagnetic plate is fixed on the inner wall of the telescopic hole, a positioning rod is elastically connected in the telescopic hole, a positioning hole is formed in the side wall of the oilfield pressure sensor, one end of the positioning rod is fixedly provided with a magnetic attraction rod attracted with the electromagnetic plate, and the other end of the positioning rod is connected in the positioning hole in an anastomotic manner, so that the oilfield logging pressure measurement device convenient to install and detach the oilfield pressure sensor is convenient to install and the oilfield pressure sensor is improved in convenience of replacement of the oilfield pressure sensor;
although the oil field pressure sensor solves the problem that the bolt is fixed by the bolt and stretches into the well, the bolt is easy to rust in a high-pressure high-humidity environment, the pressure in the oil field is measured by the logging pressure measuring instrument, but under the gravity of the oil field logging pressure measuring instrument, the logging instrument is easy to fall off due to swinging caused by stretching into the well along with the stay cord, the logging effect and instrument safety are affected, and when the logging pressure measuring instrument stretches into the well along the well wall, impurities attached to the well wall possibly fall off to the outer wall of the logging instrument, the logging effect is affected, the logging instrument is damaged due to the impact force of the falling of the impurities, and the service life is affected.
Disclosure of Invention
The invention aims to provide a logging instrument for oilfield development, which is used for solving the problems in the background technology.
In order to achieve the above object, the present invention provides a logging instrument for oil field development, comprising a downhole suspension mechanism, wherein the downhole suspension mechanism is used for driving the logging instrument into the oil field downhole, the end of the downhole suspension mechanism is provided with a shielding protection mechanism, the inside of the shielding protection mechanism is provided with a pressure measurement mechanism, the shielding protection mechanism is used for shielding above the pressure measurement mechanism after being assembled with the shielding protection mechanism, and the downhole suspension mechanism extends the shielding protection mechanism and the pressure measurement mechanism into the downhole under the condition that the pressure measurement mechanism is in a protection state, wherein:
the pressure measurement mechanism is at least including fixing the inside connecting steel pipe at shielding protection mechanism, the connecting steel pipe lower extreme is equipped with pressure sensor, the pressure sensor upper end is connected with fixed mounting subassembly, fixed mounting subassembly is used for preventing downward drop with pressure sensor through the spacing installation of barb formula at connecting steel pipe, supports simultaneously and shields protection mechanism and be in the state of opening and shelter from impurity.
As a further improvement of the technical scheme, the shielding protection mechanism at least comprises a regulating disc sliding on the outer wall of the connecting steel pipe, wherein:
the upper end of the connecting steel pipe is movably connected with a plurality of protection frames, a hinge rod is movably connected between the protection frames and the adjusting plate, and elastic cloth is arranged between the two protection frames.
As a further improvement of the technical scheme, a plurality of limiting grooves are formed in the outer wall of the connecting steel pipe, limiting plates are arranged in the adjusting plate, and the sliding of the limiting plates is in the limiting grooves.
As a further improvement of the technical scheme, the end part of the protective frame is provided with a rotary groove, the inside of the rotary groove is rotationally provided with a ball, and the ball is used for rolling contact with the well wall when the end part of the protective frame is attached to the well wall.
As a further improvement of the technical scheme, a plurality of elastic pieces are arranged at the top edge of the adjusting disc, and the ends of the elastic pieces are fixedly connected with the ends of the connecting steel pipes.
As the further improvement of this technical scheme, fixed mounting subassembly is including fixing the inserted bar at pressure sensor top at least, inserted bar outer wall swing joint has a plurality of restriction boards, restriction board and inserted bar junction are equipped with elasticity movable subassembly, elasticity movable subassembly is used for producing the resilience force and drives a plurality of restriction boards and outwards opens, wherein:
the outer wall of the connecting steel pipe, which is close to the end part, is provided with a bottom plate, and when the inserted link is inserted into the connecting steel pipe, the limiting plate is outwards opened from the limiting groove to prop against the bottom plate to limit falling.
As a further improvement of the technical scheme, a plurality of folding grooves are formed in the outer wall of the inserted link, and the inner size of each folding groove is matched with the size of the limiting plate.
As a further improvement of the technical scheme, the elastic movable assembly at least comprises a rotating shaft fixed at the end part of the limiting plate, the rotating shaft rotates inside the folding groove, a rotating rod is fixedly arranged inside the rotating shaft, a spiral spring is sleeved on the outer wall of the rotating rod, one end of the spiral spring is fixed at the end part of the rotating rod, and the other end of the spiral spring is fixed on the inner wall of the folding groove.
As the further improvement of this technical scheme, connect the steel pipe top and be equipped with the go-between, down well suspension mechanism is at least including supporting the reel rope roller frame subaerial, the inside reel roll outer wall winding of reel rope roller frame is equipped with the stay cord, stay cord tip is fixed inside the go-between, wherein:
and a crane suspension part suspended by a crane is arranged right above the oil well opening, a limiting wheel is arranged at the bottom of the crane suspension part, and the outer wall of the stay cord extends into the oil well along the limiting wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. in this logging instrument for oil field development, through at the fixed mounting subassembly with pressure sensor installs and shelter from inside the protection mechanism, drive and shelter from protection mechanism and be in the open state, realize when pressure sensor gets into the oil field underground, shelter from protection mechanism and shelter from pressure sensor top, even the wall of a well has impurity to drop, make shelter from protection mechanism bear the impact of impurity, reduce the impact damage to pressure sensor, improve the protection security.
2. In this logging instrument for oil field development, open the protection to pressure sensor through shielding protection machanism, shielding protection machanism's external diameter is greater than pressure sensor's external diameter, realizes when pressure sensor rocks, drives shielding protection machanism and rocks the contact wall of a well, avoids pressure sensor to rock and the wall of a well to touch and cause the impact damage on the one hand, on the other hand, shielding protection machanism has restricted the scope that pressure sensor rocked, avoids rocking the great break away from that causes of range.
3. In this logging instrument for oil field development, through when sheltering from protection machanism and rocking, perhaps shelter from when protection machanism opens the state down and contact the wall of a well, make the ball laminate the wall of a well preferentially roll, reduce the frictional resistance of protection frame tip and wall of a well, make down movement more light on the one hand, on the other hand avoid the protection frame tip to scrape the wall of a well and flower, improve the security.
4. In this logging instrument for oil field development, after inserting the inserted bar inside connecting steel pipe, make limiting plate aim at the spacing groove, under elastic movable component's resilience force, make limiting plate open from spacing inslot portion and form barb form, ensure under pressure sensor self gravity effect, drive limiting plate and support the bottom plate and fix, realize that pressure sensor passes through the fixed mounting subassembly and connect between the steel pipe and install more firm, avoid droing influence logging effect.
5. In the logging instrument for oil field development, the elastic piece is pressed along with the upward movement of the inserting rod against the adjusting disc, so that the elastic piece generates downward resilience force, the limiting plate is better pressed against the bottom plate, and the fixing effect is further improved.
Drawings
FIG. 1 is a schematic diagram showing the assembly of the whole structure of embodiment 1 of the present invention;
FIG. 2 is a split view of the whole structure of embodiment 1 of the present invention;
FIG. 3 is a schematic view of a shielding mechanism according to embodiment 1 of the present invention;
FIG. 4 is a schematic diagram of a pressure measuring mechanism according to embodiment 1 of the present invention;
FIG. 5 is a schematic view showing the assembly of the connecting steel pipe and the fixed mounting assembly according to embodiment 1 of the present invention;
FIG. 6 is a schematic view showing the assembly of the structure of the connecting steel pipe and the adjusting disk according to embodiment 1 of the present invention;
FIG. 7 is a split view of the structure of the adjusting disk of embodiment 1 of the present invention;
FIG. 8 is an exploded view of the ball bearing according to embodiment 1 of the present invention;
FIG. 9 is an exploded view of the stationary mounting assembly of embodiment 1 of the present invention;
fig. 10 is a sectional view showing the structure of the elastic movable assembly according to embodiment 1 of the present invention.
The meaning of each reference sign in the figure is:
100. a downhole suspension mechanism;
110. a rope rolling frame; 120. a pull rope; 130. a crane suspension member; 131. a limiting wheel;
200. a shielding protection mechanism;
210. an adjusting plate; 211. a limiting plate; 220. a hinge rod; 230. a protective frame; 231. a rotary groove; 232. a ball; 240. an elastic cloth;
300. a pressure measurement mechanism;
310. connecting steel pipes; 311. a connecting ring; 312. a bottom plate; 313. a limit groove; 314. an elastic member; 320. a pressure sensor; 330. a fixed mounting assembly; 331. a rod; 332. a folding groove; 333. a limiting plate; 334. an elastic movable assembly; 3341. a rotating shaft; 3342. a rotating rod; 3343. a coil spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the field of oilfield exploitation, various petroleum geology and engineering technical data are often required to be obtained through oilfield logging, so that various oilfield logging dynamic monitoring devices are required, wherein oilfield pressure refers to pressure measured at the bottom of a well during production of the well, the bottom pressure is a key index of the production well, oil gas flowing into the bottom of the well is lifted to the ground by the bottom pressure, and therefore, the bottom pressure is an important mark of the self-injection capacity of the oil gas well, and therefore, in order to know the bottom pressure, a pressure sensor is required to drill into the bottom of the well by means of machinery, so that the pressure of the well can be effectively measured by personnel conveniently;
although the existing oilfield logging instrument solves the problem that the bolt is fixed to extend into a well, the bolt is easy to rust in a high-pressure high-humidity environment, the logging pressure measuring instrument measures the pressure in the oilfield well, under the gravity of the oilfield logging pressure measuring instrument, the logging instrument is easy to fall off due to swinging caused by extending into the well along with a stay cord, the logging effect and instrument safety are affected, and when the logging pressure measuring instrument extends into the well along the well wall, impurities attached to the well wall may fall off, the impurities fall to the outer wall of the logging instrument, the logging effect is affected, and the logging instrument is easy to damage due to the impact force of the falling of the impurities, so that the service life is affected;
referring to fig. 1-10, the present embodiment provides a logging instrument for oilfield development, including a downhole suspension mechanism 100, the downhole suspension mechanism 100 is used for driving the logging instrument into the oilfield downhole, so that the logging instrument can be used for downhole measurement and taking up, structural integrity is guaranteed, a shielding protection mechanism 200 is arranged at the end of the downhole suspension mechanism 100, a pressure measurement mechanism 300 is arranged inside the shielding protection mechanism 200, the shielding protection mechanism 200 is used for shielding above the pressure measurement mechanism 300 after the pressure measurement mechanism 300 is assembled with the shielding protection mechanism 200, the downhole suspension mechanism 100 is made to extend the shielding protection mechanism 200 and the pressure measurement mechanism 300 into the downhole under the protection state of the pressure measurement mechanism 300, wherein:
the pressure measurement mechanism 300 at least comprises a connecting steel pipe 310 fixed inside the shielding protection mechanism 200, a pressure sensor 320 is arranged at the lower end of the connecting steel pipe 310, a fixed installation component 330 is connected to the upper end of the pressure sensor 320, the fixed installation component 330 is used for limiting the pressure sensor 320 to be installed in the connecting steel pipe 310 through barbs to prevent falling off, meanwhile, the shielding protection mechanism 200 is propped against the shielding protection mechanism 200 to be in an open state for shielding impurities, when a logging pressure measurement instrument stretches into a well wall along the well wall, impurities attached to the well wall possibly fall off to the outer wall of the logging instrument to influence the well logging effect, and the impact force of the impurities falling off to the logging instrument influences the service life, therefore, after the fixed installation component 330 of the pressure sensor 320 is installed inside the shielding protection mechanism 200, the shielding protection mechanism 200 is driven to be in the open state, so that when the pressure sensor 320 enters the oil field, the shielding protection mechanism 200 shields the upper side of the pressure sensor 320, even if the well wall has the impurities to fall, the impact of the shielding protection mechanism 200 to bear the impurities is reduced, the impact damage to the pressure sensor 320 is reduced, and the protection safety is improved;
under the gravity of the oilfield logging pressure measuring instrument, the logging instrument is easy to fall off along with the swing caused by the extension into the well, and the logging effect and instrument safety are affected, so that the shielding protection mechanism 200 is unfolded to protect the pressure sensor 320, the outer diameter of the shielding protection mechanism 200 is larger than that of the pressure sensor 320, when the pressure sensor 320 swings, the shielding protection mechanism 200 is driven to swing to contact the well wall, on one hand, the pressure sensor 320 is prevented from being damaged by impact caused by the swing of the pressure sensor 320 and the well wall, on the other hand, the shielding protection mechanism 200 limits the swinging range of the pressure sensor 320, and the separation caused by larger swinging amplitude is avoided;
in addition, the pressure sensor 320 operates on the principle that when the wire is subjected to an external force, the length and the cross-sectional area of the wire are changed, the resistance value of the wire is changed, if the wire is elongated by the external force, the length is increased, the cross-sectional area is decreased, and the resistance value is increased, as known to those skilled in the art, so that the structural integrity is ensured by performing pressure measurement after the pressure sensor 320 is extended into the oil field.
Firstly, the specific structure of the shielding protection mechanism 200 is disclosed, please refer to fig. 3, which satisfies that shielding is under the protection state above the pressure measurement mechanism 300, so that the down-hole suspension mechanism 100 stretches the shielding protection mechanism 200 and the pressure measurement mechanism 300 into the well, thereby avoiding that impurities attached to the well wall may fall off, leading to falling to the outer wall of the pressure sensor 320, affecting the logging effect, and avoiding that the impact force of the impurities falling is easy to damage the pressure sensor 320, affecting the service life, and the shielding protection mechanism 200 at least comprises an adjusting disc 210 sliding on the outer wall of the connecting steel tube 310, wherein:
the upper end swing joint of connecting steel pipe 310 has a plurality of protection frames 230, swing joint has articulated pole 220 between protection frame 230 and the regulating disk 210, and be equipped with elasticity cloth 240 between two protection frames 230, elasticity cloth 240 can adopt the cloth that elasticity is sufficient, realize supporting regulating disk 210 along connecting steel pipe 310 upward movement after fixed mounting subassembly 330 inserts connecting steel pipe 310 inside, through the activity of articulated pole 220, outwards open a plurality of protection frames 230, make elasticity cloth 240 tensile form the concave protection casing form in bottom, realize the protective effect to pressure sensor 320.
Because the adjusting plate 210 can not be effectively limited when sliding along the outer wall of the connecting steel pipe 310, the sliding offset of the adjusting plate 210 is easy to cause dislocation, and the using effect is influenced, therefore, a plurality of limiting grooves 313 are formed in the outer wall of the connecting steel pipe 310, limiting plates 211 are arranged in the adjusting plate 210, the sliding of the limiting plates 211 is adapted inside the limiting grooves 313, the direction of the movement of the adjusting plate 210 is limited along the direction of the movement of the limiting plates 313 through the limiting plates 211, the uniformity of the opening of the protecting frame 230 driven by the adjusting plate 210 is improved, the protection is more stable, and meanwhile, the fixed mounting assembly 330 can be propped against the limiting plates 211 when being inserted into the connecting steel pipe 310 for mounting, and the propping effect on the adjusting plate 210 is improved.
If a plurality of protection frames 230 touch the well wall when opening, easily cause the scratch damage to the well wall, consequently, set up the change groove 231 at protection frame 230 tip, the inside rotation of change groove 231 is equipped with ball 232, ball 232 is used for when protection frame 230 tip laminating well wall, rolling contact well wall, when rocking through shielding protection mechanism 200, or shielding protection mechanism 200 contacts the well wall under the open state, make ball 232 preferentially laminating well wall roll, reduce the frictional resistance of protection frame 230 tip and well wall, make down movement lighter on the one hand, on the other hand avoid protection frame 230 tip to scratch the well wall, improve the security.
In order to realize that after the pressure measurement mechanism 300 is disassembled, the shielding protection mechanism 200 can be automatically folded, a plurality of elastic pieces 314 need to be arranged at the top edge of the adjusting disk 210, the ends of the elastic pieces 314 are fixedly connected with the ends of the connecting steel pipes 310, wherein the elastic pieces 314 are preferably spiral springs, the elasticity is sufficient, the elastic pieces 314 can be compressed when the fixed mounting assembly 330 props against the adjusting disk 210 to move upwards, otherwise, the fixed mounting assembly 330 is disassembled, the adjusting disk 210 moves downwards to automatically reset under the resilience force of the elastic pieces 314, so that the plurality of protection frames 230 are driven to gather through the hinging rods 220, the occupied space is saved, and the subsequent storage and transportation are convenient.
Next, the fixed installation component 330 needs to be further disclosed, please refer to fig. 9, in order to satisfy the requirement that the pressure sensor 320 is installed in the connection steel pipe 310 through barb type limiting to prevent falling down, and meanwhile, the shielding protection mechanism 200 is propped against to be in an open state to shield impurities, so that the fixed installation component 330 at least comprises a plug rod 331 fixed at the top of the pressure sensor 320, the outer wall of the plug rod 331 is movably connected with a plurality of limiting plates 333, the connection part of the limiting plates 333 and the plug rod 331 is provided with an elastic movable component 334, and the elastic movable component 334 is used for generating elastic force to drive the plurality of limiting plates 333 to open outwards, wherein:
the bottom plate 312 is arranged on the outer wall of the connecting steel pipe 310 close to the end part, when the inserted link 331 is inserted into the connecting steel pipe 310, the limiting plate 333 is outwards opened from the limiting groove 313 to prop against the bottom plate 312 to limit falling off, after the inserted link 331 is inserted into the connecting steel pipe 310, the limiting plate 333 is aligned to the limiting groove 313, under the resilience force of the elastic movable assembly 334, the limiting plate 333 is opened from the inside of the limiting groove 313 to form a barb shape, the limiting plate 333 is driven to prop against the bottom plate 312 to be fixed under the self gravity action of the pressure sensor 320, the pressure sensor 320 is firmly installed between the fixed installation assembly 330 and the connecting steel pipe 310, and the falling off is avoided;
at the same time, the elastic member 314 compresses along with the upward movement of the insert rod 331 against the adjusting plate 210, so that the elastic member 314 generates a downward resilience force, and the limiting plate 333 is better pressed against the bottom plate 312, thereby further improving the fixing effect.
Because when dismantling fixed mounting subassembly 330, need fold limiting plate 333, realize that inserted bar 331 can be followed and connect inside the steel pipe 310 and extract, need seted up a plurality of folding grooves 332 at inserted bar 331 outer wall, folding groove 332 inside size and limiting plate 333 size looks adaptation, inwards rotate and be located folding groove 332 inside through pressing limiting plate 333, fill inserted bar 331 outer wall, make inserted bar 331 can follow and connect inside the steel pipe 310 to dismantle, make things convenient for follow-up maintenance to change, guarantee the structural integrity of installation dismantlement.
Furthermore, as shown in fig. 10, the specific structure of the elastic movable assembly 334 needs to be further disclosed, so as to enable the plurality of limiting plates 333 to be driven to expand outwards by generating a resilience force, the elastic movable assembly 334 at least comprises a rotating shaft 3341 fixed at the end of the limiting plates 333, the rotating shaft 3341 rotates inside the folding groove 332, a rotating rod 3342 is fixedly arranged inside the rotating shaft 3341, a spiral spring 3343 is sleeved on the outer wall of the rotating rod 3342, one end of the spiral spring 3343 is fixed at the end of the rotating rod 3342, the other end of the spiral spring 3343 is fixed on the inner wall of the folding groove 332, and the limiting plates 333 are in an outwards expanded state when the spiral spring 3343 is fixed, so that the limiting plates 333 can be pressed inside the folding groove 332 during installation, the limiting plates 333 are pressed inwards when the inserting rods 331 are inserted into the connecting steel pipes 310, the resilience force is generated when the limiting plates 333 are aligned with the limiting grooves 313, the end of the limiting plates 33is outwards expanded to form a barb shape, the limiting plates 333 are propped against the bottom plate 312, the installation is facilitated, and the installation is improved as the pressure sensor 320 is heavier.
Further, to realize the pressure in the logging by extending the pressure sensor 320 into the oil well, referring to fig. 1, the specific structure of the logging suspension mechanism 100 is further disclosed, first, a connecting ring 311 is disposed on the top of the connecting steel pipe 310, the logging suspension mechanism 100 at least includes a rope winding roller frame 110 supported on the ground, a pull rope 120 is wound on the outer wall of the winding roller inside the rope winding roller frame 110, and the end of the pull rope 120 is fixed inside the connecting ring 311, where:
the crane suspension 130 suspended by the crane is arranged right above the opening of the oil well, the limiting wheel 131 is arranged at the bottom of the crane suspension 130, the outer wall of the pull rope 120 stretches into the oil well along the limiting wheel 131, the crane suspension 130 is used for suspending the limiting wheel 131 above the oil well, the pull rope 120 is put into the oil well along the limiting wheel 131, the pressure sensor 320 stretches into the well to measure the pressure of the oil well, and the measurement of the pressure of the oil well is realized.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a logging instrument for oil field development, includes well suspension mechanism (100) that goes into, well suspension mechanism (100) are used for driving logging instrument and get into oil field underground, its characterized in that: the end of the well-descending suspension mechanism (100) is provided with a shielding protection mechanism (200), the inside of the shielding protection mechanism (200) is provided with a pressure measurement mechanism (300), the shielding protection mechanism (200) is used for shielding above the pressure measurement mechanism (300) after the pressure measurement mechanism (300) and the shielding protection mechanism (200) are assembled, the well-descending suspension mechanism (100) stretches the shielding protection mechanism (200) and the pressure measurement mechanism (300) into the well under the protection state of the pressure measurement mechanism (300), and the well-descending suspension mechanism (100) comprises:
the pressure measurement mechanism (300) at least comprises a connecting steel pipe (310) fixed in the shielding protection mechanism (200), a pressure sensor (320) is arranged at the lower end of the connecting steel pipe (310), a fixed installation assembly (330) is connected to the upper end of the pressure sensor (320), and the fixed installation assembly (330) is used for limiting and installing the pressure sensor (320) on the connecting steel pipe (310) through a barb to prevent falling downwards and propping against the shielding protection mechanism (200) to be in an open state to shield impurities;
the shielding protection mechanism (200) at least comprises an adjusting disc (210) sliding on the outer wall of the connecting steel pipe (310), wherein:
the upper end of the connecting steel pipe (310) is movably connected with a plurality of protection frames (230), a hinging rod (220) is movably connected between the protection frames (230) and the adjusting disc (210), and elastic cloth (240) is arranged between the two protection frames (230);
the outer wall of the connecting steel pipe (310) is provided with a plurality of limit grooves (313), a limit plate (211) is arranged in the adjusting disc (210), and the limit plate (211) slides in the limit grooves (313) in an adaptive manner;
the fixed mounting assembly (330) at least comprises an inserted link (331) fixed at the top of the pressure sensor (320), a plurality of limiting plates (333) are movably connected to the outer wall of the inserted link (331), an elastic movable assembly (334) is arranged at the joint of the limiting plates (333) and the inserted link (331), and the elastic movable assembly (334) is used for generating resilience force to drive the limiting plates (333) to open outwards, wherein:
the outer wall of the connecting steel pipe (310) close to the end part is provided with a bottom plate (312), and when the inserting rod (331) is inserted into the connecting steel pipe (310), the limiting plate (333) is outwards opened from the limiting groove (313) to prop against the bottom plate (312) to limit falling.
2. The logging instrument for oilfield development of claim 1, wherein: the end part of the protection frame (230) is provided with a rotary groove (231), the inside of the rotary groove (231) is rotationally provided with a ball (232), and the ball (232) is used for rolling contact with the well wall when the end part of the protection frame (230) is attached to the well wall.
3. The logging instrument for oilfield development of claim 2, wherein: a plurality of elastic pieces (314) are arranged at the top edge of the adjusting disc (210), and the ends of the elastic pieces (314) are fixedly connected with the ends of the connecting steel pipes (310).
4. The logging instrument for oilfield development of claim 1, wherein: the outer wall of the inserted link (331) is provided with a plurality of folding grooves (332), and the inner size of each folding groove (332) is matched with the size of the limiting plate (333).
5. The logging instrument for oilfield development of claim 4, wherein: the elastic movable assembly (334) at least comprises a rotating shaft (3341) fixed at the end part of the limiting plate (333), the rotating shaft (3341) rotates inside the folding groove (332), a rotating rod (3342) is fixedly arranged inside the rotating shaft (3341), a spiral spring (3343) is sleeved on the outer wall of the rotating rod (3342), one end of the spiral spring (3343) is fixed at the end part of the rotating rod (3342), and the other end of the spiral spring is fixed on the inner wall of the folding groove (332).
6. The oilfield development tool of claim 5, wherein: connecting steel pipe (310) top is equipped with go-between (311), down in the pit hang mechanism (100) including supporting at subaerial reel rope roller frame (110) at least, the inside reel roll outer wall winding of reel rope roller frame (110) is equipped with stay cord (120), stay cord (120) tip is fixed inside go-between (311), wherein:
and a crane suspension part (130) suspended by a crane is arranged right above the oil well opening, a limiting wheel (131) is arranged at the bottom of the crane suspension part (130), and the outer wall of the pull rope (120) stretches into the oil well along the limiting wheel (131).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310063465.0A CN115822571B (en) | 2023-02-06 | 2023-02-06 | Logging instrument for oil field development |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310063465.0A CN115822571B (en) | 2023-02-06 | 2023-02-06 | Logging instrument for oil field development |
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| CN115822571A CN115822571A (en) | 2023-03-21 |
| CN115822571B true CN115822571B (en) | 2023-05-02 |
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| CN108952683B (en) * | 2018-08-31 | 2021-11-19 | 重庆五诶科技有限公司 | In-hole multi-parameter detection terminal |
| CN210440026U (en) * | 2019-08-09 | 2020-05-01 | 天津诚泽畅石油技术有限公司 | Protective suspension device for underground pressure gauge |
| CN212225195U (en) * | 2020-06-01 | 2020-12-25 | 山东省物化探勘查院 | Geophysical logging measuring device |
| CN213743381U (en) * | 2020-12-04 | 2021-07-20 | 天津油立方科技有限公司 | Underground data acquisition and transmission equipment |
| CN217813441U (en) * | 2022-08-09 | 2022-11-15 | 党世强 | Oil field logging pressure measurement device convenient to installation |
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2023
- 2023-02-06 CN CN202310063465.0A patent/CN115822571B/en active Active
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