CN109577881A - A kind of autocontrol method of well control and lifting equipment based on wireless sensing - Google Patents
A kind of autocontrol method of well control and lifting equipment based on wireless sensing Download PDFInfo
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- CN109577881A CN109577881A CN201811412944.4A CN201811412944A CN109577881A CN 109577881 A CN109577881 A CN 109577881A CN 201811412944 A CN201811412944 A CN 201811412944A CN 109577881 A CN109577881 A CN 109577881A
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- Prior art keywords
- place
- slips
- preventer
- load
- travelling
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/02—Rod or cable suspensions
- E21B19/06—Elevators, i.e. rod- or tube-gripping devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention discloses the autocontrol methods of a kind of well control based on wireless sensing and lifting equipment, realize automation collection and the automatic control of Operating Pressure equipment operations status information, manual intervention is not depended on, capable of fast and accurately, completely acquiring monitoring, slips opens/closes, preventer opens/closes, balances control blowout manifold, the status information of slips load.Automation control is realized for Operating Pressure equipment operation, provides required state parameter, state parameter of the system to acquire makes judgement as foundation automatically.To solve the problems, such as that Operating Pressure equipment operation program is complicated, high to personnel qualifications, technical support is provided for deep layer shale gas exploration and development；Using wireless channel as information transfer channel, equipment installation, cable laying difficulty are reduced.Solve the features such as cable is easy to fatigue, damage.
Description
Technical field
The invention belongs to oil-gas field development technical fields, and in particular to a kind of well control and lifting equipment based on wireless sensing
Autocontrol method.
Background technique
In oil gas field and cbm development industry, and domestic Operating Pressure equipment (oil gas field is raised above/press downward to oil
Tracheae) still at an early stage, 110 tons or so of Operating Pressure being introduced equipment, using hydraulic control, only single tubing string
It rises or is switched with regard to a control unit more than ten need to be related to down, operation order is stringent, and there can be no mistakes sequentially, otherwise can draw
The generation for sending out engineering accident, it is very high to operator quality requirement, engage external expert to carry out equipment operation mostly, cost is very
It is high.
The highly desirable automation control for realizing Operating Pressure equipment operation process of oil-gas mining industry at present, is improved with pressure
Working equipment automatic operation is horizontal, solves the problems, such as that equipment operation program is complicated, personnel qualifications are high, gets rid of to external special
The technology of family relies on.
The premise for realizing the automation control of Operating Pressure equipment operation process is how to realize that Operating Pressure equipment is every
Real-time, the accurate acquisition of operational status information.When external expert's manual operation Operating Pressure is equipped, what is leaned on is human body
It observes (eyesight, hearing), passes through the state of position, slips ON/OFF to oil pipe tube coupling, balance/open flow valve real-time pressure data
Quickly make operation judges.
Summary of the invention
In view of this, the automatic control of the object of the present invention is to provide a kind of well control and lifting equipment based on wireless sensing
The automatic control of well control and lifting equipment may be implemented in method.
A kind of autocontrol method of well control and lifting equipment based on wireless sensing, in the travelling load-bearing card of oil pipe (15)
Watt (2), travelling anti-jack slips (1), first fixed load-bearing slips (4), second fixed load-bearing slips (6) and fixed anti-jack slips
(5) one wireless sensors in place of each setting on；Wherein, slip insert of two probes of each wireless sensors in place along slips
Moving direction arrange above and below；When slip insert moves up in place, upper probe induction, wireless sensors in place generates slips
Signal in place is opened, when slip insert moves down in place, lower probe induction, wireless sensors in place generates slips and closes in place
Signal；
The autocontrol method includes:
A) first fixed load-bearing slips (4), fixed anti-jack slips (5), second fixed load-bearing slips (6) are closed, clamping oil
It manages (15)；
B) when installing on first fixed load-bearing slips (4), fixed anti-jack slips (5), second fixed load-bearing slips (6)
Wireless sensors in place provides after slips goes out to close signal in place, opens travelling anti-jack slips (1), travelling load-bearing slips
(2)；
C) it is opened in place when the wireless sensors in place of travelling anti-jack slips (1), travelling load-bearing slips (2) provides slips
After signal, control travelling anti-jack slips (1) and travelling load-bearing slips (2) rise or decline, and reach designated position；
D) travelling anti-jack slips (1) and travelling load-bearing slips (2) are closed；
E) it is arrived when the wireless sensors in place of travelling anti-jack slips (1) and travelling load-bearing slips (2) provides slips closing
After the signal of position, first fixed load-bearing slips (4), fixed anti-jack slips (5) and second fixed load-bearing slips (6) are opened；
F) wirelessly arriving when first fixed load-bearing slips (4), fixed anti-jack slips (5) and second fixed load-bearing slips (6)
Level sensor provides slips and opens in place after signal, and travelling anti-jack slips (1) and travelling load-bearing slips (2) clamp oil pipe (15)
Rise or declines.
Further, the first work preventer (7), the second work preventer (9), the first safety being arranged on oil pipe (15)
Two wireless sensors in place are respectively arranged in each preventer in preventer (10), the second safe preventer (11), and preventer is each
Single armed corresponds to a wireless sensors in place；When single armed is opened in place, the wireless sensors in place of the side generates to open to be believed in place
Number；When single armed is closed in place, the wireless sensors in place of the side, which generates, closes signal in place；
When tube coupling (3) passes downwardly through the first work preventer (7), the second work preventer (9), control method includes:
Step 1, the first work preventer (7) are opened；When two wireless sensors in place of the first work preventer (7) are given
After opening signal in place out, the second work preventer (9) is remained turned-off；When the second work two of preventer (9) it is wireless in place
Sensor provides closing in place after signal, and the first safe preventer (10) and the second safe preventer (11) are kept open,
First safe preventer (10) and the corresponding all wireless sensors in place real-time monitoring open shapes of the second safe preventer (11)
State；
Step 2, control oil pipe (15) move downward, and oil pipe tube coupling (3) passes through the first work preventer (7)；
Step 3, the first work preventer (7) of control are closed；
After step 4, two wireless sensors in place for working preventer (7) when first provide closing signal in place, balance
Valve (8) is opened；
Step 5, the second work preventer (9) are opened；
Step 6, two wireless sensors in place of the second work preventer (9) provide after opening signal in place, balanced valve
(8) it closes；
Step 7, control oil pipe (15) move downward, and oil pipe tube coupling (3) passes through the second work preventer (9)；
Step 8, the second work preventer (9) are closed；
After step 9, two wireless sensors in place for working preventer (9) when second provide closing signal in place, open flow
Valve (14) is opened, and the pressure between balanced valve (8) and open flow valve (14) is discharged into air；
After the completion of step 10, open flow process, open flow valve (14) is closed, and process terminates.
Further, travelling load-bearing slips (2) bottom setting Wireless loading sensor (29), when travelling load-bearing slips (2)
When clamping oil pipe (15) weight is greater than upward pressure in well, down load is measured；When upward pressure is greater than travelling load-bearing card in well
When watt (2) clamping oil pipe (15) weight, upward load is measured.
Further, a pressure sensor is respectively set on the pressure pipe of balanced valve (8) and open flow valve (14)；Work as balance
When valve (8) opens pressure, when two pressure sensor monitoring values are identical, indicate that pressure equalizing terminates, balanced valve (8) pressure at both sides
It is identical；When open flow valve (14) opens open flow, when the pressure value of the pressure sensor monitoring of balanced valve (8) is 0, open flow is indicated
Valve (14) discharge pressure terminates.
The invention has the following beneficial effects:
(1) present invention realizes automation collection and the automatic control of Operating Pressure equipment operations status information, no
Manual intervention is relied on, capable of fast and accurately, completely acquiring monitoring, slips opens/closes, preventer opens/closes, balances
The status information of control blowout manifold, slips load realizes automation control for Operating Pressure equipment operation, provides required state
Parameter, state parameter of the system to acquire make judgement as foundation automatically, so that it is multiple to solve Operating Pressure equipment operation program
Problem miscellaneous, high to personnel qualifications provides technical support for deep layer shale gas exploration and development.
(2) using wireless channel as information transfer channel, equipment installation, cable laying difficulty are reduced.Cable is solved to be easy to
The features such as fatigue, damage.
Detailed description of the invention
Fig. 1 is the structure chart of well control and lifting equipment；
Fig. 2 is sensor mounting location schematic diagram；
Fig. 3 (a) is the wireless sensors in place composition schematic diagram of slips；
Fig. 3 (b) is slips closed mode schematic diagram；
Fig. 3 (c) is slips opening state schematic diagram；
Fig. 4 is that slips opens/closes status monitoring and control flow chart；
Fig. 5 (a) is the wireless sensors in place composition schematic diagram of preventer；
Fig. 5 (b) is preventer opening state schematic diagram；
Fig. 5 (c) is preventer closed mode schematic diagram；
Fig. 6 (a) is preventer wireless control flow chart；
Fig. 6 (b) is the closed state of preventer before the tube coupling of oil pipe moves downward；
Fig. 6 (c) is the opening state of preventer when the tube coupling of oil pipe moves downward；
Fig. 6 (d) is that the tube coupling of oil pipe moves downward through the opening state after preventer；
Fig. 6 (e) is that the tube coupling of oil pipe moves downward through the closed state after preventer；
Fig. 6 (f) is that the tube coupling of oil pipe moves downward through the opening state before balanced valve；
Fig. 6 (g) is that the tube coupling of oil pipe moves downward through 2 opening state of preventer that works before balanced valve；
Fig. 6 (h) is that the tube coupling of oil pipe moves downward through closed state before balanced valve；
Fig. 6 (i) is that the tube coupling of oil pipe moves downward through the state of work preventer 2；
Fig. 6 (j) is that the tube coupling of oil pipe moves downward through the state closed after work preventer 2；
Fig. 6 (k) is open flow the valve opening state；
Fig. 6 (l) is open flow valve closing state.
Wherein, 1- travelling anti-jack slips；2- travelling weighing slips；3- tube coupling；The fixed weighing slips in the top 4-；5- is fixed
Anti-jack slips；The fixed weighing slips in the lower part 6-；The work preventer of 7- first；8- balanced valve；The work preventer of 9- second；10-
One safe preventer；The safe preventer of 11- second；The emergency preventer of 12- first, the emergency preventer of 13- second, 14- open flow
Valve；15- oil pipe；Sensors in place that 16~28- is wireless；29- Wireless loading sensor；30,31- pressure sensor.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
A kind of autocontrol method of well control and lifting equipment based on wireless sensing of the invention, is mainly used in oil gas
In field and cbm development industry.It is guidance, the control machine of research device with Operating Pressure equipment Alternative Job Operations process
Reason is arranged wireless sensing unit by equipping key position in Operating Pressure, is feedback with the judgement of key device location status
Signal realizes that the real-time state monitoring to operation device under pressure operating process, the monitoring data of acquisition are equipped as Operating Pressure
The judgment basis of automatic operation.
It is high for moving component cable laying difficulty, the features such as cable is easy to fatigue, damage, using wireless channel as information
Transmission channel reduces equipment installation, cable laying difficulty.
As shown in Figure 1, Operating Pressure equipment mainly include traveling slip (including travelling load-bearing slips 2, travelling anti-jack slips
1), stationary slip (including the first fixed fixed load-bearing slips 6 of load-bearing slips 4, second and fixed anti-jack slips 5), work blowout prevention
Device 7,8, safe preventer 10,11, emergency preventer 12,13, open flow valve 14, balanced valve 8.
Traveling slip completion opens/closes movement, can move up and down.Mobile slips is opened, and oil pipe 15, mobile slips are unclamped
It closes, clamping oil pipe 15 moves up or down.
Stationary slip completion opens/closes movement, irremovable.Stationary slip is opened, and oil pipe 15 is unclamped, and stationary slip closes
It closes, clamps oil pipe 15.
Mobile slips and stationary slip alternate clamping oil pipe 15, complete the rise/fall workflow of oil pipe 15.Gu
Determine slips closing, when clamping oil pipe 15, mobile slips is opened, and upward/downward movement is in place；Mobile slips is closed, and oil pipe is clamped
After 15, stationary slip unclamps oil pipe 15, and mobile slips clamping oil pipe 15 does upward/downward movement.
A kind of autocontrol method of well control and lifting equipment based on wireless sensing, as shown in Figure 2.
When work preventer, safe preventer, emergency preventer guarantee that oil pipe tube coupling 3 passes through, well head is always seal shape
State, borehole pressure will not leak (borehole pressure, which leaks, can cause blowout, well kick accident).
It mainly includes following several classes that the present invention, which needs the status information detected:
One, dedicated wireless sensors in place is set on traveling slip, stationary slip, realizes that slips opens/closes shape
The real-time monitoring of state.
1) traveling slip, the monitoring of stationary slip wireless status
The wireless sensors in place being arranged on traveling slip, stationary slip is identical, including antenna, wireless module, two arrive
Position probe, composition is as shown in Fig. 3 (a).One in place Probe arrangement reach a state for monitoring slips in slips top；Separately
One Probe arrangement closes state in place in slips lower part, for monitoring slips.
When slips is in close state, slip insert is snapped down to bottom position, and oil pipe is fixedly clamped.At this point, wirelessly in place
Sensor two probes are without slip insert signal in place, as shown in Fig. 3 (b).
In the open state, slip insert rises to bottom position to slips, and oil pipe is unclamped.At this point, wirelessly sensing in place
Device two probes detect slip insert signal in place, as shown in Fig. 3 (c).
2) the wireless sensors in place allocation plan of traveling slip, stationary slip
Wireless sensors in place 1 is set on travelling anti-jack slips 1, wireless sensors in place is set on the load-bearing slips 2 that moves about
2, wireless sensors in place 3 is arranged in fixed load-bearing slips 1, and wireless sensors in place 4, fixed load-bearing is arranged in fixed anti-jack slips 2
Wireless sensors in place 5 is arranged in slips 3.
3) traveling slip, stationary slip open/close control flow
The status monitoring and control flow that slips opens/closes are as shown in Figure 4.During slips rise/fall, travelling card
Watt replace with stationary slip and to open/close.Guarantee the two interlock function, i.e., when traveling slip is opened, stationary slip is guaranteed at
Closed state, when stationary slip is opened, traveling slip is guaranteed at closed state.
Specific method is summarized as follows:
A) the first fixed load-bearing slips 4, the fixed load-bearing slips 6 of fixed anti-jack slips 5, second are closed, and clamp oil pipe 15；
B) when installed on the first fixed load-bearing slips 4, the fixed load-bearing slips 6 of fixed anti-jack slips 5, second it is wireless in place
Sensor 18,19 and 20 provides slips and goes out to close in place after signal, opens travelling anti-jack slips 1, travelling load-bearing slips 2；
C) it is opened to when the wireless sensors in place 16 and 17 of the anti-jack slips 1 that move about, the load-bearing slips 2 that moves about provides slips
After the signal of position, control travelling anti-jack slips 1 rise with travelling load-bearing slips 2 or decline, and reach designated position；
D) travelling anti-jack slips 1 and travelling load-bearing slips 2 are closed；
E) it is closed when the wireless sensors in place 16 and 17 of travelling anti-jack slips 1 and the load-bearing slips 2 that moves about provides slips
In place after signal, the first fixed load-bearing slips 4, fixed anti-jack slips 5 and the second fixed load-bearing slips 6 are opened；
F) wirelessly sensing in place when the first fixed load-bearing slips 4, fixed anti-jack slips 5 and the second fixed load-bearing slips 6
Device 18,19 and 20 provides slips and opens in place after signal, and travelling anti-jack slips 1 and travelling load-bearing slips 2 clamp on oil pipe 15
It rises or declines.
Two, dedicated wireless sensors in place is set in work preventer, safe preventer, emergency preventer, realizes anti-
Spray apparatus opens/closes the real-time monitoring of state.
1) work preventer, the monitoring of safe preventer wireless status
Work preventer, the identical wireless sensors in place of safe preventer setting, including antenna, wireless module, two
It pops one's head in place, composition is as shown in Fig. 5 (a).Two wireless sensors in place of setting of each preventer, each single armed are one corresponding
Wireless sensors in place；Two of wireless sensors in place, which pop one's head in, is arranged in the side of single armed, and monitoring preventer switch arrives
Position state: when single armed is opened in place, the wireless sensors in place of the side, which generates, opens signal in place；When single armed close in place, should
The wireless sensors in place of side, which generates, closes signal in place；Preventer in the open state, open, close by preventer axial sides
Oil pipe 15 is unclamped in seal, and oil pipe tube coupling 3 can pass through preventer.At this point, two probes of wireless sensors in place detect it is anti-
Spray apparatus axis signal in place provides preventer and opens signal in place, opens as shown in Fig. 5 (b).
When preventer is in close state, preventer axial direction intermediate closed, sealing ring clamps oil pipe 15, and borehole pressure is close
Envelope.At this point, two probes of wireless sensors in place provide preventer and close signal in place without preventer axis signal in place,
As shown in Fig. 5 (c).
2) work preventer, safe preventer is wireless sensors in place allocation plan
Wireless sensors in place 6,7 is set on work preventer 1；Work preventer 2 on be arranged wireless sensors in place 8,
9；Wireless sensors in place 10,11 is set on safe preventer 1；Wireless sensors in place 12,13 is set on safe preventer 2.
3) work preventer, safe preventer open/close control flow
As shown in Fig. 6 (a), when tube coupling 3 passes through preventer, control work preventer 1, work preventer 2, balanced valve 8,
Open flow valve 14 opens/closes.By in the process, guaranteeing that preventer two-arm opens/closes in place.Preventer opens/closes in place
Information measures ON/OFF state in place by the noncontacting proximity sensor configured in two-arm.Balanced valve equilibrium state, open flow valve are put
Spray status information is measured and is judged by the pressure sensor configured on fluid pressure line.Guarantee between each execution step mutual
The status information acquired is subject in lock, the execution of next step.
As shown in Fig. 6 (b) and Fig. 6 (c), by taking oil pipe tube coupling 3 passes downwardly through preventer as an example:
Shown in step 1, such as Fig. 6 (d), the first work preventer 7 is opened, and wireless sensors in place 21,22, which provides, to be opened to
Position signal.Second work preventer 9 remains turned-off, and wireless sensors in place 23 and 24 monitors closed state.First safe blowout prevention
Device 10 and the second safe preventer 11 are kept open, wireless sensors in place 25,26,27 and 28 real-time monitoring open shapes
State.
Shown in step 2, such as Fig. 6 (e), oil pipe tube coupling 3 passes through the first work preventer 7；
Shown in step 3, such as Fig. 6 (f), the first work preventer 7 is closed, and wireless sensors in place 21,22 provides closing and arrives
Position signal.
Shown in step 4, such as Fig. 6 (g), balanced valve 8 is opened, and is completed valve two sides and is pressed, and guarantees that balanced valve pressure at both sides is consistent.
Shown in step 5, such as Fig. 6 (h), the second work preventer 9 is opened, and wireless sensors in place 23 and 24 provides opening
Signal in place.
Shown in step 6, such as Fig. 6 (i), balanced valve 8 is closed.
Shown in step 7, such as Fig. 6 (j), oil pipe tube coupling 3 passes through the second work preventer 9.
Shown in step 8, such as Fig. 6 (k), the second work preventer 9 is closed, and wireless sensors in place 23 and 24 provides closing
Signal in place.
Shown in step 9, such as Fig. 6 (l), open flow valve 14 is opened, and the pressure between balanced valve 8 and open flow valve 14 is discharged into air
Power.
After the completion of step 10, open flow process, open flow valve 14 is closed.Oil pipe tube coupling 3 passes through the second work preventer 9, process
Terminate.
Three, dedicated Wireless loading sensor 29 is set on traveling slip, realizes that (traveling slip mentions slips loaded-up condition
The whole stress condition of liter/pushing) real-time monitoring.
Move about 2 bottom of load-bearing slips be arranged Wireless loading sensor 29, have at the same measure slips lifting equipment it is upward,
Down load ability.When traveling slip clamping 15 weight of oil pipe is greater than upward pressure in well, down load is measured.When in well to
When upper pressure is greater than traveling slip clamping tubing weight, upward load is measured.Load transducer configures two wireless modules, passes through
Wireless monitors load state.
The upper and lower end face of load transducer be flange arrangement, upper end with travelling 2 lower face of load-bearing slips connect, lower end and add
Dais top is connected, and centre is hollow.Load transducer upper flange passes through φ 38 by mating two nuts of full flight screw
Through-hole is fixed；Load transducer lower flange is fixed by strap bolt screw rod and matching nut by 38 through-hole of φ.
Four, balanced valve 8,14 pressure sensor of open flow valve realize the real-time monitoring of balance open flow state.
Balanced valve 8, open flow valve 14 are respectively set pressure sensor 30 and 31 and work as pressure sensing when balanced valve 8 opens pressure
When the monitor value of device 30 and 31 is identical, indicate that pressure equalizing terminates, 8 pressure at both sides of balanced valve is identical.When open flow valve 14 opens open flow,
When the pressure value that pressure sensor 30 monitors is 0, indicate that open flow valve 14 discharges pressure and terminates.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (4)
1. a kind of autocontrol method of well control and lifting equipment based on wireless sensing, which is characterized in that in oil pipe (15)
It moves about load-bearing slips (2), travelling anti-jack slips (1), first fixed load-bearing slips (4), second fixed load-bearing slips (6) and solid
Determine one wireless sensors in place of each setting on anti-jack slips (5)；Wherein, two probes of each wireless sensors in place are along card
Watt the moving direction of slip insert arrange above and below；When slip insert moves up in place, upper probe induction wirelessly senses in place
Device generates slips and opens signal in place, and when slip insert moves down in place, lower probe induction, wireless sensors in place generates card
Watt close signal in place；
The autocontrol method includes:
A) first fixed load-bearing slips (4), fixed anti-jack slips (5), second fixed load-bearing slips (6) are closed, and clamp oil pipe
(15)；
B) when that installs on first fixed load-bearing slips (4), fixed anti-jack slips (5), second fixed load-bearing slips (6) wirelessly arrives
Level sensor provides slips and goes out to close in place after signal, opens travelling anti-jack slips (1), travelling load-bearing slips (2)；
C) signal in place is opened when the wireless sensors in place of travelling anti-jack slips (1), travelling load-bearing slips (2) provides slips
Afterwards, control travelling anti-jack slips (1) and travelling load-bearing slips (2) rise or decline, and reach designated position；
D) travelling anti-jack slips (1) and travelling load-bearing slips (2) are closed；
E) believe in place when the wireless sensors in place of travelling anti-jack slips (1) and travelling load-bearing slips (2) provides slips closing
After number, first fixed load-bearing slips (4), fixed anti-jack slips (5) and second fixed load-bearing slips (6) are opened；
F) wirelessly passing in place when first fixed load-bearing slips (4), fixed anti-jack slips (5) and second fixed load-bearing slips (6)
Sensor provides slips and opens in place after signal, travelling anti-jack slips (1) and travelling load-bearing slips (2) clamping oil pipe (15) rising
Or decline.
2. a kind of autocontrol method of well control and lifting equipment based on wireless sensing as described in claim 1, feature
Be, be arranged on oil pipe (15) first work preventer (7), second work preventer (9), the first safe preventer (10),
Two wireless sensors in place are respectively arranged in each preventer in second safe preventer (11), and each single armed of preventer is one corresponding
Wireless sensors in place；When single armed is opened in place, the wireless sensors in place of the side, which generates, opens signal in place；When single armed is closed
In place, the wireless sensors in place of the side, which generates, closes signal in place；
When tube coupling (3) passes downwardly through the first work preventer (7), the second work preventer (9), control method includes:
Step 1, the first work preventer (7) are opened；It is beaten when two wireless sensors in place of the first work preventer (7) provide
After reaching a signal, the second work preventer (9) is remained turned-off；Two when the second work preventer (9) wirelessly sense in place
Device provides closing in place after signal, and the first safe preventer (10) and the second safe preventer (11) are kept open, and first
Safe preventer (10) and the corresponding all wireless sensors in place real-time monitoring opening states of the second safe preventer (11)；
Step 2, control oil pipe (15) move downward, and oil pipe tube coupling (3) passes through the first work preventer (7)；
Step 3, the first work preventer (7) of control are closed；
After step 4, two wireless sensors in place for working preventer (7) when first provide closing signal in place, balanced valve (8)
It opens；
Step 5, the second work preventer (9) are opened；
Step 6, two wireless sensors in place of the second work preventer (9) provide after opening signal in place, and balanced valve (8) closes
It closes；
Step 7, control oil pipe (15) move downward, and oil pipe tube coupling (3) passes through the second work preventer (9)；
Step 8, the second work preventer (9) are closed；
After step 9, two wireless sensors in place for working preventer (9) when second provide closing signal in place, open flow valve
(14) it opens, the pressure between balanced valve (8) and open flow valve (14) is discharged into air；
After the completion of step 10, open flow process, open flow valve (14) is closed, and process terminates.
3. a kind of autocontrol method of well control and lifting equipment based on wireless sensing as described in claim 1, feature
It is, travelling load-bearing slips (2) bottom setting Wireless loading sensor (29), when travelling load-bearing slips (2) clamping oil pipe (15)
When weight is greater than upward pressure in well, down load is measured；When upward pressure is greater than travelling load-bearing slips (2) clamping oil pipe in well
(15) when weight, upward load is measured.
4. a kind of autocontrol method of well control and lifting equipment based on wireless sensing as described in claim 1, feature
It is, a pressure sensor is respectively set on the pressure pipe of balanced valve (8) and open flow valve (14)；When balanced valve (8) are opened
When pressure, when two pressure sensor monitoring values are identical, indicate that pressure equalizing terminates, balanced valve (8) pressure at both sides is identical；Open flow valve
(14) when opening open flow, when the pressure value of the pressure sensor monitoring of balanced valve (8) is 0, open flow valve (14) discharge pressure is indicated
Power terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412944.4A CN109577881B (en) | 2018-11-23 | 2018-11-23 | Automatic control method of well control and lifting equipment based on wireless sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN115126427A (en) * | 2022-07-07 | 2022-09-30 | 江苏诚创智能装备有限公司 | Intelligent power slip and using method and system thereof |
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