CN103485727B - Control system for normative and sequential lifting of well drill/workover rig - Google Patents
Control system for normative and sequential lifting of well drill/workover rig Download PDFInfo
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- CN103485727B CN103485727B CN201310483573.XA CN201310483573A CN103485727B CN 103485727 B CN103485727 B CN 103485727B CN 201310483573 A CN201310483573 A CN 201310483573A CN 103485727 B CN103485727 B CN 103485727B
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- 239000012530 fluid Substances 0.000 claims description 95
- 239000003921 oil Substances 0.000 claims description 35
- 239000010727 cylinder oil Substances 0.000 claims description 8
- 238000005553 drilling Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention relates to a control system for the normative and sequential lifting of a well drill/workover rig. The system comprises left and right support leg jacking hydraulic cylinders, a derrick lifting hydraulic cylinder, derrick telescopic hydraulic cylinders and respective reversing valves, wherein the left and right support leg jacking hydraulic cylinders are provided with touchable stroke valves K1 and K2, serially-connected oil ways are adopted for the two stroke valves K1 and K2, and the two ends of the stroke valves K1 and K2 are communicated with the derrick lifting hydraulic cylinder and the reversing valve of the derrick lifting hydraulic cylinder through the oil ways respectively; the derrick lifting hydraulic cylinder is provided with three touchable stroke valves K3, K4 and K5, the stroke valves K3 and K4 are connected with the oil return ends of the left and right support leg jacking hydraulic cylinders and the reversing valves of the left and right support leg jacking hydraulic cylinders respectively, and the stroke valve K5 is arranged at the final position of a piston rod of the derrick lifting hydraulic cylinder and is connected with the first derrick telescopic hydraulic cylinder and the reversing valve of the first derrick telescopic hydraulic cylinder; the first derrick telescopic hydraulic cylinder is at least provided with a touchable stroke valve K6 which is connected with the oil return end of the derrick lifting hydraulic cylinder and the reversing valve of the derrick lifting hydraulic cylinder. According to the system, the hydraulic cylinders are interlocked, so that the system is safe and reliable in use.
Description
technical field
The present invention relates to oil well equipment field of hydraulic control, namely bore, workover rig hoists specification sequence control system.
Background technology
In the prior art, first stretch out during drilling and workover machines operation that a supporting leg left side is very heavy, supporting leg is right very heavy, leveling chassis, with derrick lifting fluid cylinder, derrick is risen, derrick has plenty of binodal, also has the structure of three joints, then with headframe telescopic hydraulic cylinder, two of derrick joints, three joints is hoisted and put in place.The above-mentioned operation process of traditional workover rig completes by handle valve (reversal valve), does not have safeguard measure.In order to keep the safety in production, be necessary to require that hydraulic mechanism has interlock function.
Summary of the invention
The object of the invention is to provide a kind of brill for above-mentioned deficiency, workover rig hoists specification sequence control system, when realizing erection of derrick, first can only stretch out supporting leg very heavy, stretch derrick lifting oil cylinder again, finally stretch headframe telescopic hydraulic cylinder, when putting derrick, order is contrary, prevents maloperation by interlock function.
Technical solution of the present invention is: a kind of drilling and workover machines hoists specification sequence control system, comprise the left and right very heavy fluid cylinder of multiple supporting leg, derrick lifting fluid cylinder, one or more headframe telescopic hydraulic cylinders and respective reversal valve, it is characterized in that the left and right very heavy fluid cylinder of supporting leg is respectively equipped with travel control device K1, the K2 that can touch, adopt series connection oil circuit between travel control device K1, K2, two ends communicate with the reversal valve oil circuit of derrick lifting fluid cylinder and derrick lifting fluid cylinder respectively; The corresponding left and right very heavy fluid cylinder of supporting leg of derrick lifting fluid cylinder and headframe telescopic hydraulic cylinder are provided with travel control device K3, K4, the K5 that can touch, travel control device K3, K4 respectively very heavy fluid cylinder oil revolving end left and right with supporting leg and their reversal valve are connected, travel control device K5 is located at derrick lifting liquid cylinder piston bar and reaches home position in addition, and is connected with first headframe telescopic hydraulic cylinder and first headframe telescopic hydraulic cylinder reversal valve; First headframe telescopic hydraulic cylinder is at least provided with a travel control device K6 that can touch, and the trip control device K6 is connected with the reversal valve of derrick lifting fluid cylinder oil revolving end and derrick lifting fluid cylinder.
In such scheme:
Derrick is three joint structures, to there being two headframe telescopic hydraulic cylinders, first headframe telescopic hydraulic cylinder is provided with travel control device K7 in this headframe telescopic hydraulic cylinder piston rod position of reaching home, and the trip control device K7 is connected with second headframe telescopic hydraulic cylinder oil inlet end and second headframe telescopic hydraulic cylinder reversal valve; Second headframe telescopic hydraulic cylinder is provided with the travel control device K8 that can touch, and the trip control device K8 is connected with first headframe telescopic hydraulic cylinder 4 oil revolving end and its reversal valve.
Very heavy fluid cylinder is four to six, and corresponding each very heavy fluid cylinder is provided with and can touches travel control device, and form series connection oil circuit between travel control device, travel control device two ends communicate with derrick lifting fluid cylinder and its reversal valve oil circuit respectively; The corresponding very heavy fluid cylinder of derrick lifting fluid cylinder is provided with and can touches travel control device and be increased to four to six, and travel control device is connected with the reversal valve of very heavy fluid cylinder oil revolving end and very heavy fluid cylinder respectively.
Described travel control device is stroke valve or travel switch.
Advantage of the present invention is: 1, adopt stroke valve to control each fluid cylinder and move in order, structure is simple, safe and applicable.2, each fluid cylinder moves in order, when each liquid cylinder piston bar stretches out simultaneously, the oil return line of previous stage fluid cylinder is disconnected (the very heavy fluid cylinder exception of supporting leg), again rear stage fluid cylinder oil circuit is connected (except afterbody fluid cylinder) after reaching home, thus reach the object of operation in tandem, realize interlocking, prevent maloperation, safe and reliable.
Below in conjunction with embodiment, embodiments of the present invention are described in further detail.Above or following description, just the specific embodiment of the present invention, various illustrating is not construed as limiting flesh and blood of the present invention.
Accompanying drawing explanation
Fig. 1 is hydraulic system embodiment structure diagram of the present invention.
Fig. 2 is hydraulic system second embodiment structure diagram of the present invention.
Detailed description of the invention
See Fig. 1,2, component title is as follows: the right very heavy fluid cylinder 2 of the left very heavy fluid cylinder 1 of supporting leg, supporting leg, derrick lifting fluid cylinder 3, first headframe telescopic hydraulic cylinder 4, second headframe telescopic hydraulic cylinder 5, reversal valve 6,7,8,9,10, stroke valve K1, K2, K3, K4, K5, K6, K7, K8.
Embodiment 1
See Fig. 1, derrick is three joint structures.Drilling and workover machines hoists specification sequence control system, comprises the left and right very heavy fluid cylinder 1 of supporting leg, 2(has two altogether), derrick lifting fluid cylinder 3, two headframe telescopic hydraulic cylinders and respective reversal valve 6,7,8,9,10.The left and right very heavy fluid cylinder 1,2 of supporting leg is respectively equipped with stroke valve K1, the K2 that can touch, and these two stroke valves K1, K2 adopt series connection oil circuit, and two ends communicate with derrick lifting fluid cylinder 3 and its reversal valve 8 oil circuit respectively; Derrick lifting fluid cylinder 3 is provided with three stroke valves K3, K4, the K5 that can touch, wherein very heavy fluid cylinder 1,2 oil revolving end left and right with supporting leg and their reversal valve 6,7 are connected respectively for two stroke valves K3, K4, another stroke valve K5 is located at derrick lifting fluid cylinder 3 piston rod and reaches home position, and is connected with first headframe telescopic hydraulic cylinder 4 and first headframe telescopic hydraulic cylinder reversal valve 9; First headframe telescopic hydraulic cylinder 4 is at least provided with a stroke valve K6 that can touch, and the trip valve K6 is connected with the reversal valve 8 of derrick lifting fluid cylinder 3 oil revolving end and derrick lifting fluid cylinder 3.First headframe telescopic hydraulic cylinder 4 is provided with stroke valve K7 in this headframe telescopic hydraulic cylinder piston rod position of reaching home, and the trip valve K7 is connected with second headframe telescopic hydraulic cylinder 5 oil inlet end and second headframe telescopic hydraulic cylinder reversal valve 10; Second headframe telescopic hydraulic cylinder 5 is provided with the stroke valve K8 that can touch, and the trip valve K8 is connected with first headframe telescopic hydraulic cylinder 4 oil revolving end and its reversal valve 9.
Embodiment 2
See Fig. 1, if derrick is two joint structures, the left and right very heavy fluid cylinder 1,2 of supporting leg is two, then remove stroke valve K7, stroke valve K8, second headframe telescopic hydraulic cylinder 5 is connected with second headframe telescopic hydraulic cylinder reversal valve 10.
Embodiment 3
Derrick is three joint structures, if the left very heavy fluid cylinder 1 of supporting leg, the right very heavy fluid cylinder 2 of supporting leg are four (figure slightly), then the left and right very heavy fluid cylinder of each supporting leg is respectively equipped with the stroke valve that can touch, these four stroke valves adopt series connection oil circuit, and the two ends after series connection communicate with derrick lifting fluid cylinder 3 and its reversal valve 8 oil circuit respectively; Derrick lifting fluid cylinder 3 is provided with five stroke valves that can touch, wherein four stroke valves are connected with four left and right very heavy fluid cylinder oil revolving ends of supporting leg and their reversal valve respectively, another stroke valve K5 is located at derrick lifting fluid cylinder 3 piston rod and reaches home position, and is connected with first headframe telescopic hydraulic cylinder 4 and first headframe telescopic hydraulic cylinder reversal valve 9; First headframe telescopic hydraulic cylinder 4 is at least provided with a stroke valve K6 that can touch, and the trip valve K6 is connected with the reversal valve 8 of derrick lifting fluid cylinder 3 oil revolving end and derrick lifting fluid cylinder 3.
Embodiment 4
If derrick is two joint structures, if the left very heavy fluid cylinder 1 of supporting leg, the right very heavy fluid cylinder 2 of supporting leg are four (figure slightly), then remove stroke valve K7, stroke valve K8 in embodiment 3, second headframe telescopic hydraulic cylinder 5 is connected with second headframe telescopic hydraulic cylinder reversal valve 10.
Embodiment 5
See Fig. 2, derrick is three joint structures, if the left very heavy fluid cylinder 1 of supporting leg, the right very heavy fluid cylinder 2 of supporting leg are six, then the left and right very heavy fluid cylinder of each supporting leg is respectively equipped with the stroke valve that can touch, these six stroke valves adopt series connection oil circuit, and the two ends after series connection communicate with derrick lifting fluid cylinder 3 and its reversal valve 8 oil circuit respectively; Derrick lifting fluid cylinder 3 is provided with seven stroke valves that can touch, wherein six stroke valves are connected with six left and right very heavy fluid cylinder oil revolving ends of supporting leg and their reversal valve respectively, another stroke valve K5 is located at derrick lifting fluid cylinder 3 piston rod and reaches home position, and is connected with first headframe telescopic hydraulic cylinder 4 and first headframe telescopic hydraulic cylinder reversal valve 9; First headframe telescopic hydraulic cylinder 4 is at least provided with a stroke valve K6 that can touch, and the trip valve K6 is connected (four very heavy fluid cylinders that in figure, left side is additional, reversal valve stroke valve label omit) with the reversal valve 8 of derrick lifting fluid cylinder 3 oil revolving end and derrick lifting fluid cylinder 3.
Embodiment 6
See Fig. 2, if derrick is two joint structures, if the left very heavy fluid cylinder 1 of supporting leg, the right very heavy fluid cylinder 2 of supporting leg are six, then in embodiment 5, remove stroke valve K7, stroke valve K8, second headframe telescopic hydraulic cylinder 5 is connected with second headframe telescopic hydraulic cylinder reversal valve 10.
Omit or do not have the hydraulic pressure original paper of explanation in figure, hydraulic system configuration routinely, belongs to prior art.
Principle illustrates:
1, arrive final position stroke valve K1, K2 install nowhere because the piston rod of the left very heavy fluid cylinder 1 of supporting leg, the right very heavy fluid cylinder 2 of supporting leg stretches out, therefore these valves are arranged on the original position that piston rod does not stretch out, such hydraulic cylinder piston rod one leaves home position, just the in-line of derrick lifting fluid cylinder 3 is connected, for the action of raising cylinder is ready.
2, stroke valve K1, K2 adopts series connection oil circuit, and namely only have two very heavyly all to pay, the oil circuit of derrick lifting fluid cylinder 3 could be connected.
3, after the in-line of derrick lifting fluid cylinder 3 is switched on, reversal valve 8 can be handled, make hydraulic cylinder raising, after piston rod leaves home position, the oil return line of left for supporting leg very heavy fluid cylinder 1, the right very heavy fluid cylinder 2 of supporting leg cuts off by stroke valve K3, K4, namely derrick lifting fluid cylinder 3 does not get back to original position, and the left very heavy fluid cylinder 1 of supporting leg, the right very heavy fluid cylinder 2 of supporting leg are nonrecoverable.
4, when derrick is saved in derrick lifting fluid cylinder 3 piston rod position of reaching home under in first headframe telescopic hydraulic cylinder 4() the oil circuit of extending cylinder connect, handle reversal valve 9, first headframe telescopic hydraulic cylinder 4 piston rod is stretched out, the oil return line of derrick lifting fluid cylinder 3, once leave initial position, just disconnects by piston rod.That is: first headframe telescopic hydraulic cylinder 4 be not or not home position, and derrick lifting fluid cylinder 3 is nonrecoverable.
5, after first headframe telescopic hydraulic cylinder 4 piston rod reaches home position, again by derrick upper in second headframe telescopic hydraulic cylinder 5() the oil circuit of raising cylinder connect, handling reversal valve 10 makes second headframe telescopic hydraulic cylinder 5 piston rod stretch out, piston rod is once leave initial position, just the oil return line of first headframe telescopic hydraulic cylinder 4 is disconnected, namely second headframe telescopic hydraulic cylinder 5 be not or not home position, and first headframe telescopic hydraulic cylinder 4 is nonrecoverable.
6, when each fluid cylinder returns, regain by the order of second headframe telescopic hydraulic cylinder, 5, first headframe telescopic hydraulic cylinder 4, derrick lifting fluid cylinder 3, the right very heavy fluid cylinder 2 of supporting leg, the left very heavy fluid cylinder 1 of supporting leg.
7, because second headframe telescopic hydraulic cylinder 5 is elevated with middle derrick, its position is change, therefore the hydraulic line connecting stroke valve K8 is change with the length of the pipeline being connected second headframe telescopic hydraulic cylinder 5, and two flexible pipe sleeves should be adopted to solve.
Claims (4)
1. a drilling and workover machines hoists specification sequence control system, comprise the left and right very heavy fluid cylinder of multiple supporting leg (1,2), derrick lifting fluid cylinder (3), one or more headframe telescopic hydraulic cylinders and respective reversal valve (6,7,8,9,10), it is characterized in that the left and right very heavy fluid cylinder of supporting leg (1,2) is respectively equipped with travel control device K1, the K2 that can touch, adopt series connection oil circuit between travel control device K1, K2, the two ends of series connection oil circuit communicate with reversal valve (8) oil circuit of derrick lifting fluid cylinder (3) and derrick lifting fluid cylinder (3) respectively; The left and right very heavy fluid cylinder of derrick lifting fluid cylinder (3) corresponding supporting leg (1,2) and headframe telescopic hydraulic cylinder are provided with travel control device K3, K4, the K5 that can touch, travel control device K3, K4 respectively very heavy fluid cylinder left and right with supporting leg (1,2) oil revolving end and their reversal valve (6,7) are connected, travel control device K5 is located at derrick lifting fluid cylinder (3) piston rod and reaches home position in addition, and is connected with first headframe telescopic hydraulic cylinder (4) and first headframe telescopic hydraulic cylinder reversal valve (9); First headframe telescopic hydraulic cylinder (4) is at least provided with a travel control device K6 that can touch, and the trip control device K6 is connected with the reversal valve (8) of derrick lifting fluid cylinder (3) oil revolving end and derrick lifting fluid cylinder (3).
2. to hoist specification sequence control system according to drilling and workover machines according to claim 1, it is characterized in that derrick is three joint structures, to there being two headframe telescopic hydraulic cylinders, first headframe telescopic hydraulic cylinder (4) is provided with travel control device K7 in this headframe telescopic hydraulic cylinder piston rod position of reaching home, and the trip control device K7 is connected with second headframe telescopic hydraulic cylinder (5) oil inlet end and second headframe telescopic hydraulic cylinder reversal valve (10); Second headframe telescopic hydraulic cylinder (5) is provided with the travel control device K8 that can touch, and the trip control device K8 is connected with first headframe telescopic hydraulic cylinder (4) oil revolving end and its reversal valve (9).
3. to hoist specification sequence control system according to drilling and workover machines according to claim 1, it is characterized in that very heavy fluid cylinder is four to six, corresponding each very heavy fluid cylinder is provided with and can touches travel control device, form series connection oil circuit between travel control device, the two ends after travel control device series connection communicate with derrick lifting fluid cylinder (3) and its reversal valve (8) oil circuit respectively; The corresponding very heavy fluid cylinder of derrick lifting fluid cylinder (3) is provided with and can touches travel control device and be increased to four to six, and travel control device is connected with the reversal valve of very heavy fluid cylinder oil revolving end and very heavy fluid cylinder respectively.
4. to hoist specification sequence control system according to the drilling and workover machines described in claim 1,2 or 3, it is characterized in that travel control device is stroke valve or travel switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483573.XA CN103485727B (en) | 2013-10-16 | 2013-10-16 | Control system for normative and sequential lifting of well drill/workover rig |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310483573.XA CN103485727B (en) | 2013-10-16 | 2013-10-16 | Control system for normative and sequential lifting of well drill/workover rig |
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| CN103485727A CN103485727A (en) | 2014-01-01 |
| CN103485727B true CN103485727B (en) | 2015-07-22 |
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| CN201310483573.XA Active CN103485727B (en) | 2013-10-16 | 2013-10-16 | Control system for normative and sequential lifting of well drill/workover rig |
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| CN105485081A (en) * | 2016-01-14 | 2016-04-13 | 盐城市同昌机械有限公司 | Hydraulic operation box for derrick driller room |
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| US8955595B2 (en) * | 2009-11-18 | 2015-02-17 | Chevron U.S.A. Inc. | Apparatus and method for providing a controllable supply of fluid to subsea well equipment |
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Denomination of invention: Lifting sequence control system of drilling and workover rig Effective date of registration: 20210707 Granted publication date: 20150722 Pledgee: Tonghua Branch of China Everbright Bank Co.,Ltd. Pledgor: TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2021220000072 |
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Date of cancellation: 20230621 Granted publication date: 20150722 Pledgee: Tonghua Branch of China Everbright Bank Co.,Ltd. Pledgor: TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2021220000072 |
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Denomination of invention: Standard sequence control system for drilling and workover rig lifting Effective date of registration: 20230629 Granted publication date: 20150722 Pledgee: Tonghua Branch of China Everbright Bank Co.,Ltd. Pledgor: TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2023220000046 |
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Granted publication date: 20150722 Pledgee: Tonghua Branch of China Everbright Bank Co.,Ltd. Pledgor: TONGHUA PETROCHEMICAL MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2023220000046 |
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