CN112145098A - Environment-friendly workover operation platform with rotatable platform surface and use method - Google Patents
Environment-friendly workover operation platform with rotatable platform surface and use method Download PDFInfo
- Publication number
- CN112145098A CN112145098A CN202011061644.3A CN202011061644A CN112145098A CN 112145098 A CN112145098 A CN 112145098A CN 202011061644 A CN202011061644 A CN 202011061644A CN 112145098 A CN112145098 A CN 112145098A
- Authority
- CN
- China
- Prior art keywords
- platform
- pipe
- sewage
- working surface
- environment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000010865 sewage Substances 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000007704 transition Effects 0.000 claims description 19
- 238000011084 recovery Methods 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000005086 pumping Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 abstract description 2
- 239000003129 oil well Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/003—Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/08—Wipers; Oil savers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses an environment-friendly workover platform with a rotatable table top and a use method thereof, the platform comprises a workover platform main body, adjustable supporting legs, a recoverable ladder, a sewage receiving box, a liquid level sensor, a rotary support, a hydraulic drive rotary bearing, a self-sealing blowout preventer, a manipulator mounting seat, a hydraulic tong guide rail for screwing on and off, a control box, a pipeline and the like, and the problems that the existing workover platform is single in function, poor in weighing property, incapable of integrating well head automatic operation tools, complex in working procedure, time-consuming and labor-consuming in operation position adjustment, heavy in pollution and harmful to the safety of operators are solved The hydraulic steering platform has the functions of sealing between oil casings, collecting slurry, detecting hydraulic pressure, steering the platform surface of the platform hydraulically, adjusting the height and the like.
Description
Technical Field
The invention relates to an auxiliary device for well head operation of oil field well workover, in particular to an environment-friendly well workover platform with a rotatable platform surface and a use method.
Background
After the oil well is exploited for a period of time, different conditions can occur in the oil well, such as blockage, damage of an oil well pump and the like, and oil extraction is influenced. At this point, workover operations are required. The domestic workover minor repair operation is mainly that the well head is directly operated or a simple operation platform is adopted, and in the working process, oil overflows in the well, and oil stains are brought out when lifting a pipe column, so that the operation safety of operation workers can be influenced, and meanwhile, the environment is polluted.
With the progress of the technology, the application of mechanical equipment to replace partial manual operation, such as pneumatic slips, mechanical arms, automatic screwing and unscrewing hydraulic tongs, power catwalks and the like, gradually appears. Most of the existing workover platforms only provide space for standing personnel, cannot bear the weight of a pipe column in a well due to simple structure, and is not suitable for integration and rapid position change of a wellhead automation tool; in actual use, because the space of an operation field is limited, the arrangement directions of the power catwalk, the pipe frame and the workover host machine can be flexibly adjusted, because the installation positions of the existing workover platform surface integrated pipe supporting manipulators, the upper shackle hydraulic tongs and other equipment are fixed, under the working condition that the position of the field equipment needs to be flexibly adjusted, an operator needs to disassemble auxiliary mechanical equipment on the workover platform and then change the position again for installation, or disassemble the whole workover platform, reset the position, waste time and labor, have extremely low efficiency, increase the labor intensity of the workover operator through repeated disassembly and assembly processes, improve the risk coefficient of the workover operation, are not beneficial to the smooth operation of the workover operation, therefore, the environment-friendly workover platform which is convenient to adjust the operation position of a wellhead automatic tool, does not need to be disassembled and assembled repeatedly and can effectively treat oil stains in the operation is designed, it is very necessary.
Disclosure of Invention
The invention aims to solve the technical problems that the existing workover platform is single in function, poor in weighing performance, incapable of integrating well head automatic operation tools, complex in working procedure, time-consuming and labor-consuming in operation position adjustment, heavy in pollution and harmful to safety of operators, and the device has the characteristics that the well head automatic operation tools can be integrated, the operation position of the automatic tools can be conveniently adjusted through the rotary platform according to well field arrangement conditions, oil stains scattered on the platform in operation can be effectively treated, and safety and environmental friendliness are achieved.
In order to realize the design, the technical scheme adopted by the invention is that the environment-friendly workover platform with the rotatable platform surface comprises a platform main body, wherein the platform main body is connected with a wellhead operation surface through a telescopic supporting leg, the bottom end of the telescopic supporting leg is connected with an adjusting screw rod, and the top end of the telescopic supporting leg is connected with a lifting lug; the platform main body comprises an upper layer structure consisting of a working surface and a rotating frame, a middle layer structure consisting of a middle frame and a lower layer sewage receiving box, and the lower surface of the sewage receiving box is connected with the platform bottom plate; a wellhead connecting system matched with a wellhead is arranged below the platform main body; the wellhead connecting system comprises a self-sealing blowout preventer, a blowout preventer and a wellhead casing head which are sequentially connected from top to bottom; the upper surface of the working surface is connected with a manipulator mounting seat which is matched with a pipe supporting manipulator in a connecting way; the upper surface of the working surface is also connected with a guide rail which is in sliding fit with the upper shackle device; the periphery of the upper surface of the platform main body is connected with a guardrail, and the edge of the working surface at one side of the guardrail is movably hinged with a detachable staircase; and a gap between the sewage receiving box and the platform bottom plate is internally provided with an escalator recovery box, a control box and a pipeline.
Preferably, the surface of the working face is connected with a porous net plate structure for leaking oil, and the center of the working face is provided with an opening for the pipe column to enter and exit; the upper end of the rotating frame is connected with the lower surface of the working surface, and the lower end of the rotating frame is in threaded connection with the outer surface of the slewing bearing.
Preferably, the slewing bearing is a hydraulic drive slewing bearing, and the slewing bearing is connected with a hydraulic pipeline and a control box; the rotary bearing is positioned right below the opening at the center of the working surface.
Preferably, the inner ring of the slewing bearing is sleeved on the outer surface of the connecting pipe, and the connecting pipe penetrates through the slewing bearing; the top of the connecting pipe is provided with a convex edge, and a plurality of threaded holes are circumferentially distributed on the surface of the edge and are connected with the inner ring of the slewing bearing through bolts.
Preferably, the connecting pipe is sleeved on the outer surface of the transition pipe and is in clearance fit with the transition pipe, and the lower end of the transition pipe penetrates through the sewage receiving box and the platform bottom plate and is connected with the self-sealing well sealer below the transition pipe.
Preferably, the upper end of the middle frame is connected to four apexes of the lower surface of the work surface, and the lower end of the middle frame is connected to the lower portion of the outer surface of the connection pipe.
Preferably, an annular guide rail is arranged between the middle frame and the working surface, and the outer surface of the annular guide rail is welded with the middle frame; the lower surface of the working surface is connected with a roller which is clamped with the annular guide rail to be in sliding fit; a plurality of tooth structures are distributed on the edge of the circular working face in an equidistant and circumferential mode, a plurality of hydraulic cylinders are connected to the surface of the main body of the platform at the edge of the working face along the circumferential direction of the center of the platform, the front ends of the hydraulic cylinders are connected with connecting blocks, and the connecting front ends are connected with the tooth structures which are matched and positioned with the tooth structures at the edge of the working face.
Preferably, the sewage receiving box is of a funnel-shaped structure; the upper end of the sewage receiving box is connected with the lower surface of the working surface, and the lower end of the sewage receiving box is connected with the annular connecting plate; the annular connecting plate is sleeved on the outer surface of the annular rubber core on the outer surface of the transition pipe; the lower surface of the annular connecting plate is connected with a pressing plate through a bolt; the annular connecting plate is in clearance fit with the annular rubber core.
Preferably, the lower surface of the sewage receiving box is provided with a sewage cleaning port and a sewage discharge pipe, and the sewage discharge pipe is connected with an external oil pumping unit; the lower surface of the sewage cleaning port is connected with a cover plate through a bolt, and a pressure increasing valve is arranged on the sewage discharging pipe; the lower surface of the working surface is provided with a liquid level sensor, and the liquid level sensor and the booster valve are electrically connected with the control box; the liquid level sensor is a capacitance type oil level gauge with signal of GLTV7 in a Gemifx manner.
Preferably, the use method of the environment-friendly workover platform with the rotatable table top comprises the following steps:
s1, hoisting the operation platform to the position right above a wellhead by using a crane, adjusting the telescopic supporting legs and the adjusting screw rods, and adjusting the platform main body to the required height and keeping the platform horizontal;
s2, installing a pipe supporting manipulator on the upper surface of the platform main body, installing a shackle hydraulic tong on the guide rail, driving a slewing bearing through hydraulic pressure according to well site arrangement conditions to enable the working surface and the rotating frame to rotate to a required angle along the annular guide rail, extending out of a hydraulic cylinder through a control box to be meshed with a toothed structure at the edge of the working surface, and locking the angle;
s3, the escalator is drawn out of the escalator recovery box, one end of the escalator slides along the track to the edge of the escalator recovery box and then is limited, the escalator recovery box is hinged with the edge of the escalator recovery box, and the other end of the escalator rotates to fall to the ground for an operator to get on and off the escalator;
s4, connecting the wellhead casing head with a wellhead pipe column, installing a self-sealing blowout preventer and a pipe column, and lifting the pipe column to the upper part of a working surface through a transition pipe to be matched with workover equipment;
s5, oil stains in the well repairing operation fall to a lower dirt receiving box through the porous operation surface, when the height of the liquid level of the oil stains inside the dirt receiving box exceeds the liquid level sensor, the control box controls a pressure increasing valve on the dirt discharging pipe to be opened, and oil liquid inside the dirt receiving box is discharged through the oil pumping unit; after the platform is put into use for a period of time, the solid oil stain in the dirty box is cleaned through the dirty opening.
The invention has the beneficial effects that:
1. the platform integration level is high, the supporting legs and the escalator can be retracted or stored in the device during transportation, the space occupation is reduced, the supporting legs and the escalator can be pulled out through stretching during use, and the components are not required to be disassembled and assembled; the automatic wellhead tool on the surface of the platform can be integrally installed and moved with the platform body in a folding mode and the like, so that the operation is fast and convenient, and the operation preparation time is shortened. The adaptable not co-altitude well head of adjustable landing leg, adjusting screw can finely tune the horizontal plane and make the working face keep the level.
2. The platform surface is arranged into a rotatable structure, when well site conditions are limited and the position of a wellhead automation tool needs to be changed, the rotary bearing is driven by hydraulic pressure to enable the platform operation surface to rotate rapidly, so that the wellhead automation tool on the operation surface can be adjusted to a proper position, and rapid adjustment is realized; need not to dismantle the automatic instrument of dismouting well head repeatedly, reduced the operation preparation time by a wide margin, it is huge to the work efficiency promotion, and avoided the greasy dirt of dismouting in-process to leak and cause the potential safety hazard to operating personnel.
3. The platform slurry dirt collecting box can collect dirty oil and sewage, so that the oil dirt does not fall to the ground and the environment-friendly operation is realized; the top of the sewage receiving box is matched with the control box through the liquid level sensor, so that automatic emptying when full of oil is realized, frequent cleaning of the well repairing platform and the periphery of the well repairing platform by operators is avoided, and the working efficiency is greatly improved; the oil collected in the oil collecting box can be recycled after being discharged by the oil pumping unit, so that the oil collecting box is environment-friendly and energy-saving.
4. The oil scraping self-sealing device can scrape oil and mud when the pipe column is lifted, and meanwhile, low-pressure sealing is carried out between oil sleeves through the sealing rubber core, so that well mouth overflow is prevented, and the safety of equipment is improved.
5. The platform transition short section is in clearance fit with the platform clearance and is sealed through a sealing rubber core; during operation, the weight of the pipe column is borne on the transition nipple, the mud scraping self-sealing well sealer, the blowout preventer and the casing in the well, and the weight of the pipe column cannot be applied to the platform body; the problem of insufficient bearing capacity of a common operation platform is solved.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a side view of the present invention.
Fig. 4 is a cross-sectional view of a side view of the present invention.
Fig. 5 is a partial enlarged view of the invention at a in fig. 4.
FIG. 6 is a schematic top view of the rotatable working surface and the platform body for limiting the engagement therebetween.
Fig. 7 is a schematic top view illustrating the position limitation of the rotatable working surface and the platform body in the embodiment 2 of the present invention.
Fig. 8 is a schematic top view of the rotatable working surface and the platform body for limiting the position in cooperation in embodiment 3 of the present invention.
The reference numbers in the figures are: the escalator comprises an escalator 1, an escalator recovery box 2, a guardrail 3, telescopic supporting legs 4, adjusting screw rods 5, a control box 6, a pipeline 7, a self-sealing blowout preventer 8, a blowout preventer 9, a wellhead casing head 10, a manipulator mounting seat 11, a guide rail 12, a platform main body 13, a working surface 131, a platform bottom plate 132, a hydraulic cylinder 133, an intermediate frame 14, a rotating frame 15, a liquid level sensor 16, an annular guide rail 17, a roller 18, a lifting lug 19, a sewage receiving box 20, a transition pipe 21, a rotary bearing 22, a connecting pipe 23, an annular rubber core 24, an annular connecting plate 25, a sewage cleaning port 26, a pressing plate 27, a sewage discharge pipe 29, an annular sliding block 31, an annular sliding rail 32, a positioning hole 33, a clamping block 34 and.
Detailed Description
Specific embodiments of the invention are provided below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the environment-friendly workover platform with the rotatable table top comprises a platform main body 13, wherein the platform main body 13 is connected with a wellhead operation surface through telescopic support legs 4, the bottom ends of the telescopic support legs 4 are connected with adjusting screws 5, and the top ends of the telescopic support legs 4 are connected with lifting lugs 19; the platform main body 13 comprises an upper layer structure consisting of a working surface 131 and a rotating frame 15, a middle layer structure consisting of a middle frame 14 and a lower layer sewage receiving box 20, wherein the three layers of structures are the structures, and the lower surface of the sewage receiving box 20 is connected with a platform bottom plate 132; a wellhead connecting system matched with a wellhead is arranged below the platform main body 13; the wellhead connecting system comprises a self-sealing blowout preventer 8, a blowout preventer 9 and a wellhead casing head 10 which are sequentially connected from top to bottom; the upper surface of the working surface 131 is connected with a manipulator mounting seat 11 which is matched with a pipe supporting manipulator in a connecting way; the upper surface of the working surface 131 is also connected with a guide rail 12 which is in sliding fit with the upper shackle device; the guardrail 3 is connected around the upper surface of the platform main body 13, and the edge of the working surface 131 at one side of the guardrail 3 is movably hinged with the detachable escalator 1; the space between the sewage receiving box 20 and the platform bottom plate 132 is internally provided with the escalator recovery box 2, the control box 6 and the pipeline 7.
Preferably, the surface of the working surface 131 is connected with a porous mesh plate structure for oil leakage, and an opening is formed in the center of the working surface 131 for the pipe column to enter and exit; the upper end of the rotating frame 15 is connected with the lower surface of the working surface 131, and the lower end of the rotating frame 15 is connected with the outer surface of the rotary bearing 22 through threads.
Preferably, the slewing bearing 22 is a hydraulically driven slewing bearing 22, and the slewing bearing 22 is connected with the hydraulic pipeline 7 and the control box 6; the slew bearing 22 is located directly below the opening at the center of the working face 131.
Preferably, the inner ring of the slewing bearing 22 is sleeved on the outer surface of the connecting pipe 23, and the connecting pipe 23 passes through the slewing bearing 22; the top of the connecting pipe 23 is provided with a convex edge, and a plurality of threaded holes are circumferentially distributed on the surface of the edge and are connected with the inner ring of the slewing bearing 22 through bolts.
Preferably, the connecting pipe 23 is sleeved on the outer surface of the transition pipe 21 and is in clearance fit with the transition pipe 21, and the lower end of the transition pipe 21 passes through the sewage receiving box 20 and the platform bottom plate 132 and is connected with the self-sealing well sealer 8 below.
Preferably, the upper end of the middle frame 14 is connected to four apexes of the lower surface of the working surface 131, and the lower end of the middle frame 14 is connected to the lower portion of the outer surface of the connection pipe 23.
Preferably, an annular guide rail 17 is arranged between the middle frame 14 and the working surface 131, and the outer surface of the annular guide rail 17 is welded with the middle frame 14; the lower surface of the working surface 131 is connected with a roller 18 which is clamped with the annular guide rail 17 for sliding fit; a plurality of tooth-shaped structures are distributed on the edge of the circular working face 131 at equal intervals in the circumferential direction, a plurality of hydraulic cylinders 133 are circumferentially connected to the surface of the platform main body 13 at the edge of the working face 131 along the center of the platform, the front ends of the hydraulic cylinders 133 are connected with connecting blocks, and the connecting front ends are connected with the tooth-shaped structures and are matched and positioned with the tooth-shaped structures at the edge of the working face 131.
Preferably, the dirt receiving box 20 is a funnel-shaped structure; the upper end of the sewage receiving box 20 is connected with the lower surface of the working surface 131, and the lower end of the sewage receiving box 20 is connected with the annular connecting plate 25; the annular connecting plate 25 is sleeved on the outer surface of the annular rubber core 24 on the outer surface of the transition pipe 21; the lower surface of the annular connecting plate 25 is connected with a pressure plate 27 through bolts; the annular connecting plate 25 is in clearance fit with the annular rubber core 24.
Preferably, the lower surface of the sewage receiving box 20 is provided with a sewage cleaning port 26 and a sewage discharge pipe 29, and the sewage discharge pipe 29 is connected with an external oil pumping unit; the lower surface of the sewage cleaning port 26 is connected with a cover plate through a bolt, and a pressure increasing valve is arranged on the sewage discharging pipe 29; the lower surface of the working surface 131 is provided with a liquid level sensor 16, and the liquid level sensor 16 and the pressure increasing valve are both electrically connected with the control box 6; the level sensor 16 is a capacitance type oil level gauge with signal of GLTV7 in Gramex.
Preferably, the use method of the environment-friendly workover platform with the rotatable table top comprises the following steps:
s1, hoisting the operation platform to the position right above a wellhead by using a crane, adjusting the telescopic supporting legs 4 and the adjusting screw rods 5, and adjusting the platform main body 13 to a required height and keeping the platform horizontal;
s2, installing a pipe supporting manipulator on the upper surface of the platform body 13, installing a tripping hydraulic clamp on the guide rail 12, driving the slewing bearing 22 through hydraulic pressure according to well site arrangement conditions to enable the working surface 131 and the rotating frame 15 to rotate to a required angle along the annular guide rail 17, extending out of the hydraulic cylinder 133 through the control box 6 to be meshed with a toothed structure at the edge of the working surface, and locking the angle;
s3, the escalator 1 is drawn out of the escalator recovery box 2, one end of the escalator 1 slides along the track to the edge of the escalator recovery box 2 and then is limited, the escalator recovery box 2 is hinged with the edge of the escalator 1, and the other end of the escalator 1 falls on the ground in a rotating mode to allow an operator to get on and off the escalator 1;
s4, connecting the wellhead casing head 10 with a wellhead pipe column, installing a self-sealing blowout preventer 8 and a blowout preventer 9, and lifting the pipe column to the upper part of the working surface 131 through the transition pipe 21 to be matched with workover equipment;
s5, oil stains in the well repairing operation fall to the lower sewage receiving box 20 through the porous operation surface, when the height of the oil stain liquid level in the sewage receiving box 20 exceeds the liquid level sensor 16, the control box 6 controls the pressure increasing valve on the sewage discharging pipe 29 to be opened, and oil liquid in the sewage receiving box 20 is discharged through the oil pumping unit; after the platform is put into use for a period of time, the solid oil stain in the sewage box 20 is cleaned through the sewage cleaning port 26.
Example 2:
as shown in fig. 7, preferably, an annular guide rail 17 is arranged between the middle frame 14 and the working surface 131, and the outer surface of the annular guide rail 17 is welded with the middle frame 14; the lower surface of the working surface 131 is connected with a roller 18 which is clamped with the annular guide rail 17 for sliding fit; the edge of the circular working surface 131 is connected with an annular sliding block 31, the platform main body 13 below the annular sliding block 31 is provided with an annular sliding rail 32, and the annular sliding rail 32 is in contact fit with the annular sliding block 31; a plurality of positioning holes 33 which are mutually overlapped are formed in the annular slide rail 32 and the annular slide block 31 along the circumferential direction of the circle center of the working surface, and positioning pins can be inserted into the positioning holes 33 for positioning and angle locking.
Example 3:
as shown in fig. 8, preferably, an annular guide rail 17 is arranged between the middle frame 14 and the working surface 131, and the outer surface of the annular guide rail 17 is welded with the middle frame 14; the lower surface of the working surface 131 is connected with a roller 18 which is clamped with the annular guide rail 17 for sliding fit; the edge of the circular working surface 131 is circumferentially connected with a plurality of hydraulic telescopic rods along the circle center, and the front ends of the telescopic rods are connected with clamping blocks 34 through springs; the working surface 131 is positioned in a circular hole formed in the upper surface of the platform main body 13, a plurality of clamping grooves 35 are formed in the inner wall of the edge of the circular hole, and the clamping block 34 extends out to be inserted into the clamping grooves 35 for positioning and locking the angle; the clamping block 34 is connected with the telescopic rod through a spring, when the clamping block 34 is not aligned with the clamping groove 35, the control box 6 drives the hydraulic telescopic rod to extend out, the telescopic rod can be prevented from being in hard contact with the inner wall of the circular hole of the platform main body 13 under the action of the spring to cause structural damage, the spring can provide buffering, and then the clamping block 34 is moved into the clamping groove 35 through rotation; the accuracy in angular locking can be increased by increasing the distribution density of the card slots 35.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. An environment-friendly workover operation platform with a rotatable platform surface comprises a platform main body (13), wherein the platform main body (13) is connected with a wellhead operation surface through telescopic supporting legs (4), the bottom ends of the telescopic supporting legs (4) are connected with adjusting screws (5), and the top ends of the telescopic supporting legs (4) are connected with lifting lugs (19); the method is characterized in that: the platform main body (13) comprises an upper layer structure consisting of a working surface (131) and a rotating frame (15), a middle layer structure consisting of a middle frame (14) and a lower layer of a sewage receiving box (20) which are of three-layer structure, wherein the lower surface of the sewage receiving box (20) is connected with a platform bottom plate (132); a wellhead connecting system matched with a wellhead is arranged below the platform main body (13); the well mouth connecting system comprises a self-sealing well sealer (8), a blowout preventer (9) and a well mouth casing head (10) which are sequentially connected from top to bottom; the upper surface of the working surface (131) is connected with a manipulator mounting seat (11) to be connected and matched with a pipe supporting manipulator; the upper surface of the working surface (131) is also connected with a guide rail (12) which is in sliding fit with the upper shackle device; the guardrail (3) is connected around the upper surface of the platform main body (13), and the edge of the working surface (131) at one side of the guardrail (3) is movably hinged with the detachable escalator (1); an escalator recovery box (2), a control box (6) and a pipeline (7) are arranged in a gap between the sewage receiving box (20) and the platform bottom plate (132).
2. The environment-friendly workover platform with a rotatable platform surface according to claim 1, wherein: the surface of the working surface (131) is connected with a porous net plate structure for oil leakage, and an opening is formed in the center of the working surface (131) for the pipe column to pass in and out; the upper end of the rotating frame (15) is connected with the lower surface of the working surface (131), and the lower end of the rotating frame (15) is in threaded connection with the outer surface of the rotary bearing (22).
3. The environment-friendly workover platform with a rotatable platform surface according to claim 2, wherein: the slewing bearing (22) is a hydraulic drive slewing bearing, and the slewing bearing (22) is connected with a hydraulic pipeline (7) and a control box (6); the rotary bearing (22) is positioned right below the opening at the center of the working surface (131).
4. The environment-friendly workover platform with a rotatable platform surface according to claim 2, wherein: the inner ring of the slewing bearing (22) is sleeved on the outer surface of the connecting pipe (23), and the connecting pipe (23) penetrates through the slewing bearing (22); the top of the connecting pipe (23) is provided with a convex edge, a plurality of threaded holes are circumferentially distributed on the surface of the edge, and the edge is connected with the inner ring of the slewing bearing (22) through bolts.
5. The environment-friendly workover platform with a rotatable platform surface according to claim 4, wherein: the connecting pipe (23) is sleeved on the outer surface of the transition pipe (21) and is in clearance fit with the transition pipe (21), and the lower end of the transition pipe (21) penetrates through the sewage receiving box (20) and the platform bottom plate (132) and is connected with the self-sealing well sealing device (8) below.
6. The environment-friendly workover platform with a rotatable platform surface according to claim 1, wherein: the upper end of the middle frame (14) is connected with four vertexes of the lower surface of the working surface (131), and the lower end of the middle frame (14) is connected with the lower part of the outer surface of the connecting pipe (23).
7. The environment-friendly workover platform with a rotatable platform surface according to claim 1, wherein: an annular guide rail (17) is arranged between the middle frame (14) and the working surface (131), and the outer surface of the annular guide rail (17) is welded with the middle frame (14); the lower surface of the working surface (131) is connected with a roller (18) which is clamped with the annular guide rail (17) for sliding fit; a plurality of tooth-shaped structures are circumferentially distributed on the edge of the circular working face (131) at equal intervals, a plurality of hydraulic cylinders (133) are circumferentially connected to the surface of the platform main body (13) at the edge of the working face (131) along the center of the platform, the front ends of the hydraulic cylinders (133) are connected with connecting blocks, and the connecting front ends are connected with the tooth-shaped structures which are matched and positioned with the tooth-shaped structures at the edge of the working face (131).
8. The environment-friendly workover platform with a rotatable platform surface according to claim 1, wherein: the sewage receiving box (20) is of a funnel-shaped structure; the upper end of the sewage receiving box (20) is connected with the lower surface of the working surface (131), and the lower end of the sewage receiving box (20) is connected with the annular connecting plate (25); the annular connecting plate (25) is sleeved on the outer surface of the annular rubber core (24) on the outer surface of the transition pipe (21); the lower surface of the annular connecting plate (25) is connected with a pressure plate (27) through a bolt; the annular connecting plate (25) is in clearance fit with the annular rubber core (24).
9. The environment-friendly workover platform with a rotatable platform surface according to claim 1, wherein: the lower surface of the sewage receiving box (20) is provided with a sewage cleaning port (26) and a sewage discharge pipe (29), and the sewage discharge pipe (29) is connected with an external oil pumping unit; the lower surface of the sewage cleaning port (26) is connected with a cover plate through a bolt, and a pressure increasing valve is arranged on the sewage discharging pipe (29); the lower surface of the working surface (131) is provided with a liquid level sensor (16), and the liquid level sensor (16) and the pressure increasing valve are both electrically connected with the control box (6).
10. The use method of the environment-friendly workover platform with the rotatable table top according to claims 1 to 9, wherein the method comprises the following steps: it comprises the following steps:
s1, hoisting the operation platform to the position right above a wellhead by using a crane, adjusting the telescopic supporting legs (4) and the adjusting screw rods (5), and adjusting the platform main body (13) to a required height and keeping the platform horizontal;
s2, a pipe supporting manipulator is arranged on the upper surface of the platform main body (13), a tripping hydraulic clamp is arranged on the guide rail (12), according to the well site arrangement condition, the rotary bearing (22) is driven through hydraulic pressure, the working surface (131) and the rotary frame (15) rotate to a required angle along the annular guide rail (17), and then the control box (6) extends out of the hydraulic cylinder (133) to be meshed with a tooth-shaped structure at the edge of the working surface (131) so as to lock the angle;
s3, the escalator (1) is drawn out of the escalator recovery box (2), one end of the escalator (1) slides along the track to the edge of the escalator recovery box (2) for limiting, and is hinged with the edge of the escalator recovery box (2), and the other end of the escalator rotates to fall to the ground for an operator to get on and off the escalator;
s4, connecting a wellhead casing head (10) with a wellhead pipe column, installing a self-sealing well sealer (8) and a blowout preventer (9), and lifting the pipe column to the upper part of a working surface (131) through a transition pipe (21) to be matched with workover equipment;
s5, oil stains in the well repairing operation fall to a lower dirt receiving box (20) through the surface of a porous operation surface (131), when the height of the liquid level of the oil stains in the dirt receiving box (20) exceeds the liquid level sensor (16), a control box (6) controls a booster valve on a drain pipe (29) to be opened, and oil liquid in the dirt receiving box (20) is discharged through the oil pumping unit; after the platform is put into use for a period of time, solid oil stains in the sewage box (20) are cleaned through the sewage cleaning port (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011061644.3A CN112145098B (en) | 2020-09-30 | 2020-09-30 | Environment-friendly workover operation platform with rotatable table top and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011061644.3A CN112145098B (en) | 2020-09-30 | 2020-09-30 | Environment-friendly workover operation platform with rotatable table top and use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112145098A true CN112145098A (en) | 2020-12-29 |
| CN112145098B CN112145098B (en) | 2022-12-20 |
Family
ID=73951301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011061644.3A Active CN112145098B (en) | 2020-09-30 | 2020-09-30 | Environment-friendly workover operation platform with rotatable table top and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112145098B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983289A (en) * | 2021-03-26 | 2021-06-18 | 中曼石油装备集团有限公司 | Dual-working-condition drilling base |
| CN113356785A (en) * | 2021-06-11 | 2021-09-07 | 中国石油天然气股份有限公司 | On-spot environmental protection of oil workover platform device of treating pollution |
| CN114427359A (en) * | 2022-02-09 | 2022-05-03 | 辽宁石油化工大学 | Novel tool carrying device for well repair |
| CN117211702A (en) * | 2023-10-09 | 2023-12-12 | 黄山华能石化机械有限公司 | Vehicle-mounted type turnover operation platform of petroleum workover vehicle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6386284B1 (en) * | 2000-02-11 | 2002-05-14 | David A. Buck | Snubbing unit drilling system |
| CN102444110A (en) * | 2011-09-28 | 2012-05-09 | 中国石油大学(华东) | Offshore multi-directional self-elevating petroleum drilling platform |
| CN104476216A (en) * | 2014-12-29 | 2015-04-01 | 威海华东重工有限公司 | Heavy-load precision revolving workbench for heavy-load numerical control floor type boring and milling machine |
| CN204941387U (en) * | 2015-06-05 | 2016-01-06 | 辽宁石油机械制造有限公司 | A kind of rig cat road inclined ladder fixed structure |
| CN105728624A (en) * | 2016-04-25 | 2016-07-06 | 中冶陕压重工设备有限公司 | Slewing mechanism of rotating lifting table of oil press |
| CN109249358A (en) * | 2018-12-10 | 2019-01-22 | 盐城市明华精工科技有限公司 | A kind of machining rotatable positioning table of high-precision |
| CN208564509U (en) * | 2018-08-13 | 2019-03-01 | 南阳新成高架设备有限公司 | A kind of well-repairing work platform |
| CN209444315U (en) * | 2018-12-14 | 2019-09-27 | 鼎实智能装备（青岛）有限公司 | A kind of integration workover treatment platform |
| CN209603919U (en) * | 2018-10-25 | 2019-11-08 | 中石化石油工程技术服务有限公司 | Not termination of pumping negative pressure sand washing auto Isolator Well Head |
| CN213330954U (en) * | 2020-09-30 | 2021-06-01 | 中石化四机石油机械有限公司 | Environment-friendly workover operation platform with rotatable platform surface |
-
2020
- 2020-09-30 CN CN202011061644.3A patent/CN112145098B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6386284B1 (en) * | 2000-02-11 | 2002-05-14 | David A. Buck | Snubbing unit drilling system |
| CN102444110A (en) * | 2011-09-28 | 2012-05-09 | 中国石油大学(华东) | Offshore multi-directional self-elevating petroleum drilling platform |
| CN104476216A (en) * | 2014-12-29 | 2015-04-01 | 威海华东重工有限公司 | Heavy-load precision revolving workbench for heavy-load numerical control floor type boring and milling machine |
| CN204941387U (en) * | 2015-06-05 | 2016-01-06 | 辽宁石油机械制造有限公司 | A kind of rig cat road inclined ladder fixed structure |
| CN105728624A (en) * | 2016-04-25 | 2016-07-06 | 中冶陕压重工设备有限公司 | Slewing mechanism of rotating lifting table of oil press |
| CN208564509U (en) * | 2018-08-13 | 2019-03-01 | 南阳新成高架设备有限公司 | A kind of well-repairing work platform |
| CN209603919U (en) * | 2018-10-25 | 2019-11-08 | 中石化石油工程技术服务有限公司 | Not termination of pumping negative pressure sand washing auto Isolator Well Head |
| CN109249358A (en) * | 2018-12-10 | 2019-01-22 | 盐城市明华精工科技有限公司 | A kind of machining rotatable positioning table of high-precision |
| CN209444315U (en) * | 2018-12-14 | 2019-09-27 | 鼎实智能装备（青岛）有限公司 | A kind of integration workover treatment platform |
| CN213330954U (en) * | 2020-09-30 | 2021-06-01 | 中石化四机石油机械有限公司 | Environment-friendly workover operation platform with rotatable platform surface |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983289A (en) * | 2021-03-26 | 2021-06-18 | 中曼石油装备集团有限公司 | Dual-working-condition drilling base |
| CN112983289B (en) * | 2021-03-26 | 2024-01-26 | 中曼石油装备集团有限公司 | Double-working-condition drilling base |
| CN113356785A (en) * | 2021-06-11 | 2021-09-07 | 中国石油天然气股份有限公司 | On-spot environmental protection of oil workover platform device of treating pollution |
| CN114427359A (en) * | 2022-02-09 | 2022-05-03 | 辽宁石油化工大学 | Novel tool carrying device for well repair |
| CN114427359B (en) * | 2022-02-09 | 2023-07-18 | 辽宁石油化工大学 | Novel tool carrying device for well repair |
| CN117211702A (en) * | 2023-10-09 | 2023-12-12 | 黄山华能石化机械有限公司 | Vehicle-mounted type turnover operation platform of petroleum workover vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112145098B (en) | 2022-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112145098B (en) | Environment-friendly workover operation platform with rotatable table top and use method | |
| AU2004293727B2 (en) | A power tong | |
| EP1830939B1 (en) | Chromatography column | |
| CN106255800B (en) | Rod rotating device | |
| CN104912187A (en) | Radial locking device special for blowdown grab for sewer | |
| CN213330954U (en) | Environment-friendly workover operation platform with rotatable platform surface | |
| CN108331554B (en) | Oil wax scraping device for sucker rod wellhead with variable drift diameter | |
| US20100218934A1 (en) | Method and device for positioning a power tong at a pipe joint | |
| CN204941388U (en) | A kind of oil well repairing operation automation equipment | |
| CN111911095B (en) | Pressurized workover device and pressurized workover method for low-pressure oil-water well | |
| CN108222530B (en) | Safety protection device for excavation of building deep foundation pit | |
| CN113152625A (en) | BIM-based drainage pipeline and construction method thereof | |
| CN108331557A (en) | Environment-friendly type operation wellhead liquid collecting operating platform and its application method | |
| CN210049849U (en) | Cleaning trolley for assisting wellhead operation | |
| CN219316925U (en) | Integrated small repair wellhead operation operating platform and special wellhead side valve opening and closing mechanism | |
| CN105625964B (en) | Oil well pipe fitting attaching/detaching apparatus | |
| CN209444315U (en) | A kind of integration workover treatment platform | |
| CN202788722U (en) | Blowout-prevention tool string for pressure energy storage workover rig | |
| CN108202162B (en) | Flexible multi-hole drilling machine and cutting method for support beam | |
| CN215595536U (en) | Wellhead drainage recovery device | |
| CN216518561U (en) | Mud pump control device for petroleum drilling machine | |
| CN220395648U (en) | Hanging type blowout prevention box device for iron driller | |
| CN214879842U (en) | Lifting system of hydraulic workover rig | |
| CN220786951U (en) | Auxiliary overhaul tool for drilling pump | |
| CN220015092U (en) | Novel mud umbrella for drilling and repairing well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |