CN102226382B - Uninterrupted circulating pup joint and continuous slurry circulation method for petroleum well drilling - Google Patents
Uninterrupted circulating pup joint and continuous slurry circulation method for petroleum well drilling Download PDFInfo
- Publication number
- CN102226382B CN102226382B CN2011101301394A CN201110130139A CN102226382B CN 102226382 B CN102226382 B CN 102226382B CN 2011101301394 A CN2011101301394 A CN 2011101301394A CN 201110130139 A CN201110130139 A CN 201110130139A CN 102226382 B CN102226382 B CN 102226382B
- Authority
- CN
- China
- Prior art keywords
- short circuit
- valve
- seat
- gate valve
- side direction
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 100
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000002002 slurry Substances 0.000 title abstract description 6
- 239000003208 petroleum Substances 0.000 title abstract description 4
- 230000003044 adaptive effect Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 210000000664 rectum Anatomy 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000306 recurrent effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 150000003839 salts Chemical class 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/10—Valve arrangements in drilling-fluid circulation systems
- E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses an uninterrupted circulating pup joint for petroleum well drilling and a continuous slurry circulation method, and the uninterrupted circulating pup joint comprises a pup joint body, an automatic central gate valve and a lateral normally-closed check valve, wherein the automatic central gate valve and the pup joint body are coaxially arranged; and the lateral normally-closed check valve is arranged on the side wall of the pup joint body below the automatic central gate valve. As the pup joint body structure with the combination of the large-drift diameter unobstructed automatic central gate valve and the triple lateral normally-closed single-flow valve is adopted, when a drill rod needs to be disassembled and assembled for making up, breaking out and pipe tripping, uninterrupted circulation of slurry is changed to be performed by the lateral normally-closed check valve, and pressure of the circulating slurry is utilized for automatically closing the automatic central gate valve above the lateral normally-closed check valve, thereby continuously maintaining the stability of the pressure of a borehole, effectively controlling the ECD (equivalent circulating density) value of annular space of the borehole, maintaining the stability of a well wall and the good effect of cleaning the borehole, preventing collapse and formation of a cuttings bed in the oblique well section and avoiding the collapse, clamping, leakage, blowout and other various complex situations.
Description
Technical field
The present invention relates to the kit or the device field of field oil-well drilling equipment, in particular, what improvement related to is that a kind of oil drilling is with uninterrupted circulation short circuit and continuous circulating mud method thereof.
Background technology
Oil drilling is described as the key of petroleum industry, has also shown the key position of drilling well in petroleum industry.From exploration phase oil prospecting gas finding,,, all must realize through drilling well until the oil gas field enforcement in raising the output stage to the Development and Production oil gas stage.
Development and progress along with the oil/gas drilling technology; Oil circle can be drilled to various such as sizable complicated technology wells of technical difficulty such as deep-well, ultradeep well, high angle hole, horizontal well, extended reach well, multihole wells in the land, so in the ocean from the shallow water to deep water in addition ultra deepwater drilling all obtain very big effect.
But, on the dismounting drilling rod in the shackle or the process that makes a trip, the drilling rod stall, mud circulation is stagnated in the well, means that the equivalent circulating density (ECD) to bore hole annulus is out of hand.In last button, shackle and the process that makes a trip, bring the undesired problem in a series of down-holes in order to solve conventional drilling, have many drilling well requirement wells to keep continuous recurrent state, to reach the borehole pressure that keeps stable because of stopping in the well mud circulation.The circulating drilling technology is stable for keeping borehole pressure continuously, prevents that the down-hole well from collapsing, leakage, and the generation of complex situations such as well kick blowout, the safe smooth implementation of assurance drillng operation improves the drilling well timeliness, reduces drilling cost, and significance and value are arranged.Must research and develop new sophisticated equipment and be equipped with the continuous cycle operation that advanced technology could realize drilling well.
Therefore, prior art still haves much room for improvement and develops.
Summary of the invention
The objective of the invention is to, provide a kind of oil drilling, can control the equivalent circulating density of bore hole annulus, effectively keep the stable of borehole pressure with uninterrupted circulation short circuit and continuous circulating mud method thereof.
Technical scheme of the present invention is following: a kind of oil drilling is with uninterrupted circulation short circuit, wherein: comprise short circuit body, automatic center gate valve and the normally closed ball-and-seat of side direction; Automatic center gate valve and the coaxial setting of short circuit body; The normally closed ball-and-seat of side direction is arranged on the short circuit body sidewall of automatic center gate valve below.
Described oil drilling is with uninterrupted circulation short circuit, wherein: the automatic center gate valve comprises brake valve body and gate valve lid; The gate valve lid is hinged on the sidewall of brake valve body; Vestibule when the brake valve body sidewall is provided with adaptive gate valve lid open position.
Described oil drilling is with uninterrupted circulation short circuit, wherein: the automatic center gate valve also comprises centring ring, jump ring and locating ring; Centring ring is fastened on the locating groove place of short circuit body; Jump ring is fastened on the inwall of centring ring; Locating ring is arranged in the centring ring under the jump ring.
Described oil drilling is with uninterrupted circulation short circuit, wherein: centring ring is that three-clove style divides body structure, and the inwall of centring ring is provided with the inner card cage of adaptive jump ring; The outer wall of centring ring is provided with the outer lug boss that is used for detent on the adaptive short circuit body.
Described oil drilling is with uninterrupted circulation short circuit, wherein: the normally closed ball-and-seat of side direction comprises valve body and valve gap; Valve gap is hinged on the end face of valve body; Be provided with between valve body and the valve gap and be used to keep valve gap to be in the torque spring of closed condition.
Described oil drilling is with uninterrupted circulation short circuit, wherein: the normally closed ball-and-seat of side direction also comprises valve seat, spool and relief valve; Valve seat is arranged on the valve body; Spool is arranged on the valve seat; Relief valve is arranged on the spool.
Described oil drilling is with uninterrupted circulation short circuit, wherein: valve seat and the coaxial setting of valve body; Valve seat is threaded on the valve body.
Described oil drilling is with uninterrupted circulation short circuit, wherein: spool and the coaxial setting of valve seat; Relief valve is threaded on the spool.
A kind of above-mentioned oil drilling is with the continuous circulating mud method of uninterrupted circulation short circuit; Wherein, May further comprise the steps: reduction is driven mud pressure via the top that short circuit body top gets into, and changes by the normally closed ball-and-seat of side direction that is positioned on the short circuit body sidewall to get into the short circuit body interior as circulating mud;
Increase the pressure of circulating mud, make to be positioned at the normally closed ball-and-seat of side direction top and to close automatically with the automatic center gate valve of the coaxial setting of short circuit body;
Reduce the pressure of circulating mud, mud pressure is driven on the top that increase and recovery short circuit body top get into, and the automatic center gate valve is opened automatically, and the normally closed ball-and-seat of side direction is closed.
Described oil drilling is with the continuous circulating mud method of uninterrupted circulation short circuit; Wherein: on needs dismounting drilling rod, buckle, shackle and when making a trip; Change from the uninterrupted circulating mud of the normally closed ball-and-seat of side direction, utilize the operation of the automatic center gate valve of the normally closed ball-and-seat of the pressure automatic cut-off side direction of circulating mud top.
A kind of oil drilling provided by the present invention is with uninterrupted circulation short circuit and continuous circulating mud method thereof; Owing to adopting accessible automatic center gate valve of big latus rectum and the combined short circuit body construction of the normally closed ball-and-seat of triple formula side direction; On needs dismounting drilling rod, buckle, shackle and when making a trip; Change from the uninterrupted circulating mud of the normally closed ball-and-seat of side direction, utilize the automatic center gate valve of the normally closed ball-and-seat of the pressure automatic cut-off side direction top of circulating mud, thereby kept the stable of borehole pressure continuously; Controlled the ECD value of bore hole annulus effectively; The good result that has kept the stable of the borehole wall and well is cleaned, the formation with the lower curved section cutting bed of having prevented to collapse, the generation of various complex situations such as the card leakage spray of having avoided collapsing; Be suitable for the ultra deepwater drilling of deep water, extended reach well drilling, under balance pressure drilling, and be fit to tackle in the job execution of the complicated technology well that is prone to needs controlled pressure drillings such as spray Absorption Wells and bottom presser sensor well.
Description of drawings
Fig. 1 is the uninterrupted circulation short circuit sectional view that PetroChina Company Limited. of the present invention drilling well is used.
Fig. 2 is the exploded view of the big without hindrance automatic center gate valve of latus rectum among Fig. 1 among the present invention.
Fig. 3 is the exploded view of the normally closed ball-and-seat of triple formula side direction among Fig. 1 among the present invention.
The specific embodiment
Below will combine accompanying drawing, specific embodiments of the invention and embodiment specify, and described specific embodiment in order to explain the present invention, is not to be used to limit the specific embodiment of the present invention only.
A kind of oil drilling of the present invention is with uninterrupted circulation short circuit, and one of its specific embodiment is as shown in Figure 1, comprises improved short circuit body 100, automatic center gate valve 200 and the normally closed ball-and-seat 300 of side direction; Be provided with the cavity and the inner card cage of adaptive installation automatic center gate valve 200 in the inner chamber of short circuit body 100; The sidewall of short circuit body 100 is provided with the vestibule of adaptive installation side to normally closed ball-and-seat 300; Automatic center gate valve 200 is coaxial to be arranged in the inner chamber of short circuit body 100; The normally closed ball-and-seat 300 of side direction is arranged on the local sidewall of short circuit of automatic center gate valve 200 belows.
Based on above-mentioned oil drilling with uninterrupted circulation short circuit; The present invention also proposes a kind of oil drilling with the continuous circulating mud method of uninterrupted circulation short circuit; One of its specific embodiment; May further comprise the steps: reduce the top that gets into via short circuit body 100 tops and drive mud pressure, change by the normally closed ball-and-seat 300 entering short circuit bodies 100 of side direction that are positioned on short circuit body 100 sidewalls inner as circulating muds; Increase the pressure of circulating mud, make to be positioned at the normally closed ball-and-seat of side direction 300 tops and to close automatically with the automatic center gate valve 200 of short circuit body 100 coaxial settings; Reduce the pressure of circulating mud, mud pressure is driven on the top that increase and recovery short circuit body 100 tops get into, and automatic center gate valve 200 is opened automatically, and the normally closed ball-and-seat 300 of side direction is closed.
Compare with common short circuit control bore hole annulus ECD method of the prior art; A kind of oil drilling provided by the present invention is with uninterrupted circulation short circuit and continuous circulating mud method thereof; Owing to adopting combined short circuit body 100 structures of the normally closed ball-and-seat of the accessible automatic center gate valve of big latus rectum 200 and triple formula side direction 300, on needs dismounting drilling rod, buckle, shackle and when making a trip, change from the normally closed ball-and-seat 300 uninterrupted circulating muds of side direction; Utilize the automatic center gate valve 200 of the normally closed ball-and-seat of pressure automatic cut-off side direction 300 tops of circulating mud; Thereby kept the stable of borehole pressure continuously, controlled the ECD value of bore hole annulus effectively, the good result that has kept the stable of the borehole wall and well is cleaned; Prevented to collapse formation with the lower curved section cutting bed, the generation of various complex situations such as the card leakage spray of having avoided collapsing; Be suitable for the ultra deepwater drilling of deep water, extended reach well drilling, under balance pressure drilling, and be fit to tackle in the job execution of the complicated technology well that is prone to needs controlled pressure drillings such as spray Absorption Wells and bottom presser sensor well.
In the preferred implementation of oil drilling of the present invention with uninterrupted circulation short circuit and continuous circulating mud method thereof, comprising can be through utilizing uninterrupted circulation short circuit to regulate circulating mud each other and pushing up the operation that the pressure that drives mud is controlled the equivalent circulating density of bore hole annulus.Can solve thus in the normal or improper drillng operation except under the shackle in the dismounting and the situation that makes a trip, need the technological problems of control bore hole annulus ECD in real time.
Concrete, as shown in Figure 2, automatic center gate valve 200 comprises brake valve body 260 and gate valve lid 250; Gate valve lid 250 is hinged on the sidewall of brake valve body 260 through bearing pin 270; Vestibule when brake valve body 260 sidewalls are provided with adaptive gate valve and cover 250 open positions.Can guarantee that thus gate valve lid 250 can reduce the resistance that the top is driven mud to greatest extent when opening, increase the latus rectum of brake valve body 260.
Further, automatic center gate valve 200 also comprises centring ring 210, jump ring 220 and locating ring 230; Centring ring 210 is fastened on the detent place of short circuit body 100; Jump ring 220 is fastened on the inwall of centring ring 210; Locating ring 230 is arranged in the centring ring 210 under the jump ring 220.
Be preferably, centring ring 210 is for three-clove style divides body structure, and the inwall of centring ring 210 is provided with the inner card cage of adaptive jump ring 220; The outer wall of centring ring 210 is provided with the outer lug boss that is used for detent on the adaptive short circuit body 100.
In the practical implementation process, can be earlier gate valve lid 250 be fixed on the valve cylinder through bearing pin 270, the gate valve lower negative pressure under covers 250 can close rapidly, and metallic seal also can be born high pressure.The brake valve body that installs 260 is put sealing ring 240, the direction of opening according to the gate valve lid 250 short circuit body 100 of packing into down.Then the centring ring 210 of distinguish is put into brake valve body 260 ends and made outer lug boss snap in the detent of short circuit body 100; Again locating ring 230 is put into centring ring 210; Centring ring 210 to prevent distinguish is deviate from from detent; At last jump ring 220 is snapped in the inner card cage of centring ring 210 inwalls, so just accomplished the installation of automatic center gate valve 200.
Automatic center gate valve 200 is to wash gate valve lid 250 open through high-pressure slurry to accomplish mud circulation, guarantees the continuous circulation and the pressure stability of input mud in the drilling well normal operation; And in last shackle with when improper operation such as making a trip, the valve gap of the lock of automatic center gate valve 200 is in closed condition under the pressure of circulating mud.
Concrete, as shown in Figure 3, the normally closed ball-and-seat 300 of side direction comprises valve body 370 and valve gap 350; Valve gap 350 is hinged on the end face of valve body 370 through bearing pin 360; Be provided with between valve body 370 and the valve gap 350 and be used to the torque spring 340 that keeps valve gap 350 to be in closed condition.
Further, the normally closed ball-and-seat 300 of side direction also comprises valve seat 330, spool 320 and relief valve 310; Valve seat 330 is arranged on the valve body 370; Spool 320 is arranged on the valve seat 330; Relief valve 310 is arranged on the spool 320.Valve seat 330, spool 320 and relief valve 310 constitute triple formula pressure protect structures of the normally closed ball-and-seat 300 of side direction, can effectively solve well kick, blowout and leakage problem.
Be preferably valve seat 330 and valve body 370 coaxial settings; Valve seat 330 is threaded on the valve body 370.And, spool 320 and valve seat 330 coaxial settings; Relief valve 310 is threaded on the spool 320.
In the practical implementation process, can be earlier valve gap 350 and torque spring 340 be assembled together through bearing pin 360 and valve body 370, again with special tool with valve body 370 through on the screw thread in the screwed hole of short circuit body 100 sides.Then at the valve body 370 endoporus sealing ring of packing into; Again valve seat 330 is packed in the valve body 370 through thread connecting mode; The spool 320 that will install sealing ring is again packed in the valve seat 330; At last with relief valve 310 through thread connecting mode spool 320 the insides of packing into, so just accomplished the installation of the normally closed ball-and-seat 300 of side direction.
The normally closed ball-and-seat 300 of side direction is to promote valve gap 350 through high-pressure slurry to accomplish mud circulation, guarantees the continuous circulation and the pressure stability of input mud in last shackle process; And when the drilling well normal operation, the valve gap 350 of the normally closed ball-and-seat 300 of side direction is in closed condition under the effect of torque spring 340.
Oil drilling of the present invention with the operating principle of uninterrupted circulation short circuit is: during normal drillng operation; The top is driven the centre bore of mud through short circuit body 100 tops and is got into drilling rod and circulate; At this moment the without hindrance automatic center gate valve 200 of big latus rectum is in opening state; The normally closed ball-and-seat 300 of triple formula side direction is in closed condition, has guaranteed the stable of the unimpeded and inner mud pressure of hydrophthalmia effectively.
When on the dismounting drilling rod during shackle; This moment, drilling rod stopped operating, and circulating mud was linked on the normally closed ball-and-seat 300 of side direction through special joint, under the effect that the pressure of circulating mud increases gradually; Valve gap 350 on the normally closed ball-and-seat 300 of side direction is opened; Circulating mud gets into short circuit body 100 inside, and along with driving mud pressure and reduce gradually in the top, when being reduced to a certain degree because mud differential pressure action up and down; The gate valve lid 250 of the big without hindrance automatic center gate valve 200 of latus rectum will be closed automatically, treat can dismantle or install drilling rod after the mud system release is driven on the top; And can import circulating mud this moment through the side direction ball-and-seat, with circulation of mud in the assurance well and stablizing of pressure.
After last shackle work is accomplished; It is normal that the supply of top mud recovers, and the top on short circuit body 100 tops is driven mud pressure and begun to increase, when the gate valve lid 250 of automatic center gate valve 200 is washed open; Reduce the circulating mud pressure of normally closed ball-and-seat 300 inputs of side direction gradually; The valve gap 350 of the normally closed ball-and-seat 300 of side direction is in the closed position under the effect of spring 340, and short circuit body 100 inner mud pressures recover normal, the side valve jointing of then dismantling; With valve seat 330, spool 320 and the relief valve 310 normally closed ball-and-seat 300 of side direction of packing into, so just can continue drilling well and carry out operation.
It is thus clear that oil drilling of the present invention all bears high-pressure at the same time and axially rotates double action with each component in the uninterrupted circulation short circuit in above-mentioned several links.
Industrial applicibility
Oil drilling of the present invention is suitable for the ultra deepwater drilling of deep water, extended reach well drilling, under balance pressure drilling with uninterrupted circulation short circuit and continuous circulating mud method thereof very much; And be fit to tackle in the job execution of the complicated technology well that is prone to needs controlled pressure drillings such as spray Absorption Wells and bottom presser sensor well; To guaranteeing downhole safety; Shorten drilling time, reduce drilling cost and be significant, especially the complicated well of geological condition is played a key effect especially.
For example; Can be used for the ultra deepwater drilling of deep water: the ultra deepwater drilling of deep water, because of its pore pressure grad and fracture pressure gradient difference are very little, narrow pressure window will be the ultra deepwater drilling one big technical barrier of deep water; To cause slush pump one to open one to stop and can not circulate continuously; And exciting to producing positive/negative pressure in the well, very easily cause complex situations such as formation fracture and leakage well collapse, oil drilling of the present invention is fabulous one of the means that tackle with uninterrupted circulation short circuit and continuous circulating mud method thereof.
And for example; Can be used for the extended reach well drilling well: oil drilling of the present invention can reduce the well annular space with uninterrupted circulation short circuit and continuous circulating mud method thereof and stop up; Prevent that cutting bed from forming, improve the hole cleaning ability, reduce moment of torsion and frictional resistance; Optimize drilling well orientation and TRAJECTORY CONTROL, and the generation of lock of tool drilling when effectively preventing to connect column; It is thus clear that well stable bores extended reach well smoothly to safety and seems extremely important.
For another example; Can be used under balance pressure drilling: there is not the under balance pressure drilling of circulation continuously, the pressure balance that well needs step-down and pressurizes and set up system again, this process often spends many man-hours; And can cause the undesired of down-hole; Influence is crept into, and oil drilling of the present invention then can save this complex process time with uninterrupted circulation short circuit and continuous circulating mud method thereof, improves safety drilling efficient.
And; Can be used for tackling and be prone to the spray Absorption Wells: oil drilling of the present invention with uninterrupted circulation short circuit and continuously the circulating mud method interior drill string external and internal pressure of well that circulates continuously remain equilibrium state; Avoided the down-hole positive/negative pressure of termination of pumping/turn on pump exciting problems such as well kick, blowout and leakage take place, guaranteed drilling safety.Uninterrupted circulation short circuit itself can have the inner blowout preventer system, also is the safety device that prevents blowout.
And; Can be used for tackling the responsive well of strata pressure: like shale, salt rock stratum well etc.; Oil drilling of the present invention circulates continuously with uninterrupted circulation short circuit and continuous circulating mud method thereof and keeps steady pressure in the well, has prevented the necking down of mud shale, collapses etc.; Having kept wellbore stability, also is the key that safety is bored this type well smoothly.
In addition, also can be used for controlled pressure drilling: oil drilling of the present invention with uninterrupted circulation short circuit and continuously the circulating mud method can effectively control equivalent circulating density (ECD) value of bore hole annulus, this is the key of controlled pressure drilling.
In a word, oil drilling of the present invention is stable for keeping borehole pressure with the continuous circulating drilling technology of uninterrupted circulation short circuit and continuous circulating mud method thereof, prevents that the down-hole well from collapsing; Leakage; The generation of complex situations such as well kick blowout, the safe smooth implementation of assurance drillng operation improves the drilling well timeliness; Reduce drilling cost, all have great significance and be worth; Some complicated technology wells particularly; Often must utilize continuous circulating technology could accomplish drillng operation; And the circulating drilling technology is a much progress on drilling technology and the technology continuously; Oil drilling of the present invention also will be widely used with one of uninterrupted circulation short circuit and the continuous circulating drilling technology of continuous circulating mud method conduct thereof undoubtedly.
Should be understood that; The above is merely preferred embodiment of the present invention, is not sufficient to limit technical scheme of the present invention, concerning those of ordinary skills; Within spirit of the present invention and principle; Can increase and decrease according to above-mentioned explanation, replacement, conversion or improvement, and all these increases and decreases, replacement, conversion or improve after technical scheme, all should belong to the protection domain of accompanying claims of the present invention.
Claims (10)
1. an oil drilling is characterized in that with uninterrupted circulation short circuit: comprise short circuit body, automatic center gate valve and the normally closed ball-and-seat of side direction; Automatic center gate valve and the coaxial setting of short circuit body; The normally closed ball-and-seat of side direction is arranged on the short circuit body sidewall of automatic center gate valve below.
2. oil drilling according to claim 1 is characterized in that with uninterrupted circulation short circuit: the automatic center gate valve comprises brake valve body and gate valve lid; The gate valve lid is hinged on the sidewall of brake valve body; Vestibule when the brake valve body sidewall is provided with adaptive gate valve lid open position.
3. oil drilling according to claim 1 is characterized in that with uninterrupted circulation short circuit: the automatic center gate valve also comprises centring ring, jump ring and locating ring; Centring ring is fastened on the locating groove place of short circuit body; Jump ring is fastened on the inwall of centring ring; Locating ring is arranged in the centring ring under the jump ring.
4. oil drilling according to claim 3 is characterized in that with uninterrupted circulation short circuit: centring ring is that three-clove style divides body structure, and the inwall of centring ring is provided with the inner card cage of adaptive jump ring; The outer wall of centring ring is provided with the outer lug boss that is used for detent on the adaptive short circuit body.
5. oil drilling according to claim 1 is characterized in that with uninterrupted circulation short circuit: the normally closed ball-and-seat of side direction comprises valve body and valve gap; Valve gap is hinged on the end face of valve body; Be provided with between valve body and the valve gap and be used to keep valve gap to be in the torque spring of closed condition.
6. oil drilling according to claim 5 is characterized in that with uninterrupted circulation short circuit: the normally closed ball-and-seat of side direction also comprises valve seat, spool and relief valve; Valve seat is arranged on the valve body; Spool is arranged on the valve seat; Relief valve is arranged on the spool.
7. oil drilling according to claim 6 is characterized in that with uninterrupted circulation short circuit: valve seat and the coaxial setting of valve body; Valve seat is threaded on the valve body.
8. oil drilling according to claim 6 is characterized in that with uninterrupted circulation short circuit: spool and the coaxial setting of valve seat; Relief valve is threaded on the spool.
9. the oil drilling of a claim 1 is characterized in that with the continuous circulating mud method of uninterrupted circulation short circuit, may further comprise the steps:
Reduction is driven mud pressure via the top that short circuit body top gets into, and changes by the normally closed ball-and-seat of side direction that is positioned on the short circuit body sidewall to get into the short circuit body interior as circulating mud;
Increase the pressure of circulating mud, make to be positioned at the normally closed ball-and-seat of side direction top and to close automatically with the automatic center gate valve of the coaxial setting of short circuit body;
Reduce the pressure of circulating mud, mud pressure is driven on the top that increase and recovery short circuit body top get into, and the automatic center gate valve is opened automatically, and the normally closed ball-and-seat of side direction is closed.
10. oil drilling according to claim 9 is with the continuous circulating mud method of uninterrupted circulation short circuit; It is characterized in that: on needs dismounting drilling rod, buckle, shackle and when making a trip; Change from the uninterrupted circulating mud of the normally closed ball-and-seat of side direction, utilize the operation of the automatic center gate valve of the normally closed ball-and-seat of the pressure automatic cut-off side direction of circulating mud top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101301394A CN102226382B (en) | 2011-05-19 | 2011-05-19 | Uninterrupted circulating pup joint and continuous slurry circulation method for petroleum well drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101301394A CN102226382B (en) | 2011-05-19 | 2011-05-19 | Uninterrupted circulating pup joint and continuous slurry circulation method for petroleum well drilling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102226382A CN102226382A (en) | 2011-10-26 |
| CN102226382B true CN102226382B (en) | 2012-05-30 |
Family
ID=44807376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101301394A Active CN102226382B (en) | 2011-05-19 | 2011-05-19 | Uninterrupted circulating pup joint and continuous slurry circulation method for petroleum well drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102226382B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016097967A1 (en) * | 2014-12-16 | 2016-06-23 | Had Engineering S.R.L. | A device for ensuring continuous circulation in well drilling |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102400653A (en) * | 2011-11-09 | 2012-04-04 | 深圳市远东石油钻采工程有限公司 | Continuous circulating system |
| CN102536143B (en) * | 2012-02-23 | 2015-04-22 | 中国海洋石油总公司 | Device for continuously cycling and controlling manifold without stopping pumping for drilling |
| CN103510870A (en) * | 2012-06-21 | 2014-01-15 | 中国石油化工股份有限公司 | Drilling tool joint device and technique capable of achieving continuous circulation of gas drilling |
| CN103032040B (en) * | 2012-12-21 | 2015-12-02 | 成都欧迅海洋工程装备科技有限公司 | A kind of continuous circulation short circuit being applicable to air drilling |
| CN103046883B (en) * | 2012-12-21 | 2015-07-08 | 成都欧迅海洋工程装备科技有限公司 | Continuous cyclic drilling process applicable to air drilling |
| ITMI20130997A1 (en) | 2013-06-17 | 2014-12-18 | Had Engineering S R L | DEVICE TO ENSURE THE CONTINUOUS CIRCULATION IN THE DRILLING OF THE WELLS |
| CN104453752B (en) * | 2013-09-13 | 2017-05-03 | 中国石油天然气集团公司 | Drill pipe sub bypass valve and operation method |
| CN104632110B (en) * | 2013-11-14 | 2017-06-09 | 中国石油集团川庆钻探工程有限公司 | A kind of continuous cyclic drilling technique suitable for biphase gas and liquid flow drilling well |
| CN103696733B (en) * | 2013-11-27 | 2016-11-23 | 深圳市远东石油钻采工程有限公司 | Pressure release valve device and its implementation for the uninterrupted blood circulation of oil drilling |
| CN103670307A (en) * | 2013-12-09 | 2014-03-26 | 中国石油集团长城钻探工程有限公司 | Short circuit guaranteeing drilling fluid continuous circulation and drilling fluid continuous circulation process thereof |
| CN104153733A (en) * | 2014-07-22 | 2014-11-19 | 中国石油集团渤海钻探工程有限公司 | Continuous circulating drilling system |
| CN107780880A (en) * | 2017-11-21 | 2018-03-09 | 中国石油集团西部钻探工程有限公司 | The effective decompressor of lower tail |
| CN109736719A (en) * | 2019-03-01 | 2019-05-10 | 冀凯河北机电科技有限公司 | A kind of multi-purpose water-through jackrod of self-sealing |
| CN111894496A (en) * | 2020-03-16 | 2020-11-06 | 重庆科技学院 | Drilling pressure control type underground circulation short circuit and coiled tubing drill plug dynamic flushing process |
| CN111927352A (en) * | 2020-09-08 | 2020-11-13 | 中国石油天然气集团有限公司 | Continuous circulation device for drilling fluid and using method thereof |
| CN112031686A (en) * | 2020-09-14 | 2020-12-04 | 北京博德世达石油技术股份有限公司 | Circulating valve special for wellhead, drilling equipment adopting circulating valve and drilling method |
| CN112302574B (en) * | 2020-12-04 | 2022-04-05 | 西南石油大学 | Large-drift-diameter blowout-preventing back-pressure valve in hinge type drill column |
| CN114622848A (en) * | 2021-06-02 | 2022-06-14 | 中国石油天然气集团有限公司 | Rotatable uninterrupted circulating device and using method and circulating process thereof |
| CN113252532B (en) * | 2021-06-15 | 2021-09-10 | 西南石油大学 | Simulation device for breakthrough of abnormal high-temperature and high-pressure stratum sand body through seepage barrier |
| CN114622864A (en) * | 2021-11-03 | 2022-06-14 | 中国石油天然气集团有限公司 | Continuous circulating valve suitable for inflation drilling, drilling system and process |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2147341Y (en) * | 1993-02-27 | 1993-11-24 | 大庆石油管理局钻井研究所 | Pulse sleeve joint |
| CN1975100A (en) * | 2006-12-19 | 2007-06-06 | 中国海洋石油总公司 | Oil well intelligent anti-polluting device |
| US7434625B2 (en) * | 2005-06-01 | 2008-10-14 | Tiw Corporation | Downhole flapper circulation tool |
| US20090025930A1 (en) * | 2007-07-27 | 2009-01-29 | David Iblings | Continuous flow drilling systems and methods |
| WO2010124371A1 (en) * | 2009-04-27 | 2010-11-04 | Source Energy Tool Services Inc. | Selective fracturing tool |
-
2011
- 2011-05-19 CN CN2011101301394A patent/CN102226382B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2147341Y (en) * | 1993-02-27 | 1993-11-24 | 大庆石油管理局钻井研究所 | Pulse sleeve joint |
| US7434625B2 (en) * | 2005-06-01 | 2008-10-14 | Tiw Corporation | Downhole flapper circulation tool |
| CN1975100A (en) * | 2006-12-19 | 2007-06-06 | 中国海洋石油总公司 | Oil well intelligent anti-polluting device |
| US20090025930A1 (en) * | 2007-07-27 | 2009-01-29 | David Iblings | Continuous flow drilling systems and methods |
| WO2010124371A1 (en) * | 2009-04-27 | 2010-11-04 | Source Energy Tool Services Inc. | Selective fracturing tool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016097967A1 (en) * | 2014-12-16 | 2016-06-23 | Had Engineering S.R.L. | A device for ensuring continuous circulation in well drilling |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102226382A (en) | 2011-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102226382B (en) | Uninterrupted circulating pup joint and continuous slurry circulation method for petroleum well drilling | |
| US7363980B2 (en) | Downhole flow control apparatus, operable via surface applied pressure | |
| US10704348B2 (en) | Reverse circulation well tool | |
| US8800655B1 (en) | Stage cementing tool | |
| US6732804B2 (en) | Dynamic mudcap drilling and well control system | |
| US9494014B1 (en) | Multi-cycle circulating valve assembly | |
| CA2701485C (en) | Process and apparatus to improve reliability of pinpoint stimulation operations | |
| US8459365B1 (en) | Apparatus for creating bidirectional rotary force or motion in a downhole device and method for using same | |
| GB2542700A (en) | Setting tool with pressure shock absorber | |
| Elliott et al. | Managed pressure drilling erases the lines | |
| CA2822571C (en) | Method and apparatus for controlling fluid flow into a wellbore | |
| US11299944B2 (en) | Bypass tool for fluid flow regulation | |
| CA3126996C (en) | Surge control system for managed pressure drilling operations | |
| CN202645506U (en) | Pulse valve type underground anti-spraying device | |
| RU2637254C2 (en) | Method for creating depression on formation with well rotor drilling | |
| CN204591205U (en) | A kind of lift valve eccentric type downhole blow-out preventer | |
| US20230033658A1 (en) | Surge control system for managed pressure drilling operations | |
| US20230399922A1 (en) | Junk crushing device, assembly, and method thereof | |
| AU2023233189A1 (en) | Surge control system for managed pressure drilling operations | |
| CN108756787A (en) | Auxiliary device, Continuous Circulation Drilling System and its boring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |