CN103015886A - Top drive driver of rotating control head - Google Patents
Top drive driver of rotating control head Download PDFInfo
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- CN103015886A CN103015886A CN2012105887879A CN201210588787A CN103015886A CN 103015886 A CN103015886 A CN 103015886A CN 2012105887879 A CN2012105887879 A CN 2012105887879A CN 201210588787 A CN201210588787 A CN 201210588787A CN 103015886 A CN103015886 A CN 103015886A
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- roller
- control head
- shell
- drilling rod
- spring
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Abstract
The invention discloses a top drive driver of a rotating control head, which belongs to the technical field of rotating control heads. The top drive driver of the rotating control head comprises a shell sleeved on a drill rod, wherein the shell and the drill rod can relatively rotate; the lower part of the shell is connected to a center pipe of the rotating control head or a rubber core of a rotary blowout preventer, and a plurality of rollers are arranged in the shell; the rollers are uniformly distributed on the same circumference outside the drill rod, and two ends of each roller are respectively connected to the inner wall of the shell through spring mechanisms; and the rollers are clung to the outer wall of the drill rod through the spring mechanisms, and the rollers are matched with the outer wall of the drill rod and can roll in the axial direction of the drill rod. When the drill rod rotates, the shell is driven through the rollers to synchronously rotate. The top drive driver of the rotating control head solves the problem of the currently used top drive unbalanced drilling rotating control head that the rubber core is not driven and is badly damaged, and provides rotation power for the rubber core of the rotating control head or the rotary blowout preventer in the petroleum and natural gas unbalanced drilling operation under top drive force.
Description
Technical field
The present invention relates to oil, natural gas and unconventional natural pneumatic jack driving force underbalance well drilling plant, the drive unit that power is provided for swivel control head or rotating blowout preventer rotary rubber core is driven in the under-balance drilling operation on especially a kind of top.
Background technology
At present in oil, natural gas and the unconventional natural gas extraction; in order to reach exploitation efficient, fast and low-cost; mostly adopt under-balance drilling operation; swivel control head or rotating blowout preventer are key, the nucleus equipments in the under-balance drilling operation; it mainly relies on the interference fit between glue core and the drilling rod; therefore utilizing glue core deformable seal drilling liquid pressure, is exactly the most key safety measure to the protection of the glue core of swivel control head or rotating blowout preventer.
Development along with petroleum drilling technology, also progress at full speed of drilling equipment, in the drilling equipment of oil, natural gas, top driving force rig has formed very large scale, also be the direction of world's drilling equipment development, therefore drive the supporting under balance pressure drilling equipment of drillng operation development for the top and seem particularly important.
Existing swivel control head or rotating blowout preventer, all adopt ancient kelly bar to drive the rotation of glue core, then can't drive when driving drillng operation on the top, cause the heavy wear of glue core, life-span significantly reduces, and has drilling safety hidden danger and a large amount of wastes of manpower, material resources.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, provide a kind of simple in structure, easy and simple to handle, driver is driven on swivel control head top easy to use, drive on the top and can drive glue core and drilling rod synchronous rotary in the under balance pressure drilling process, significantly reduce the asynchronous attrition of glue core, improve swivel control head sealing life, solve and use at present the top to drive under balance pressure drilling swivel control head glue core without driving the badly damaged problem, be oil under the driving force of top, in the Natural Gas Underbalanced Drilling operation, the glue core of swivel control head or rotating blowout preventer provides rotary power.
The technical solution used in the present invention is as follows:
Driver is driven on swivel control head of the present invention top, it comprises the shell that is placed on the drilling rod, can relatively rotate between described shell and the drilling rod, the bottom of described shell is connected on the glue core of the central tube of swivel control head or rotating blowout preventer, be provided with in the enclosure some rollers, described roller is distributed on the outer same circumference of drilling rod, the two ends of roller are connected on the outer casing inner wall by spring mechanism respectively, spring mechanism is close on the drilling-rod external wall roller, described roller and drilling-rod external wall are complementary and can axially roll at drilling rod, when drilling rod rotates, drive shell by roller and rotate synchronously.
Owing to adopted said structure, shell can be placed on the drilling rod and use, and nothing is interfered between shell and the drilling rod, so that can relatively rotate between shell and the drilling rod, the bottom of shell is connected with the central tube of swivel control head, perhaps be connected with the glue core of rotating blowout preventer, therefore can be by the rotation of shell, the driven rotary control head rotates or the driven rotary preventer rotates, thereby for it provides power, make and drive on the top that drilling rod can drive glue core and drilling rod synchronous rotary in the under balance pressure drilling process, significantly reduce the asynchronous attrition of glue core, improve swivel control head sealing life.Be different from prior art, in order to realize the synchronous rotary between shell and the drilling rod, the present invention establishes some rollers in the enclosure, and roller and drilling-rod external wall are complementary and can axially roll at drilling rod, mainly solve in the upper body and below process of drilling rod, roller can not cause on this driver the impacts such as interference; Roller is connected on the outer casing inner wall by spring mechanism in addition, spring mechanism gives roller an elastic force all the time, make roller fit in all the time on the drilling-rod external wall, mainly solve in the drilling rod rotation process, has larger frictional force between drilling rod and the roller, rotate synchronously with drilling rod thereby drive roller, by spring mechanism shell is rotated synchronously with drilling rod, be implemented in the top and drive driving glue core and drilling rod synchronous rotary in the under balance pressure drilling process; Some rollers are distributed on the outer same circumference of drilling rod in the enclosure, mainly solve drilling rod after being inserted into this driver, and the stress equalization on all directions plays the effect of righting simultaneously to drilling rod.Driver is driven on swivel control head of the present invention top, drive on the top and can drive glue core and drilling rod synchronous rotary in the under balance pressure drilling process, significantly reduce the asynchronous attrition of glue core, improve swivel control head sealing life, solve and use at present the top to drive under balance pressure drilling swivel control head glue core without driving the badly damaged problem, in oil, Natural Gas Underbalanced Drilling operation under the driving force of top, the glue core of swivel control head or rotating blowout preventer provides rotary power.
Driver is driven on swivel control head of the present invention top, and described roller is the little cylindrical structural in large centre, two ends, and the profile with the drilling rod applying of described roller is circular arc, and it can be complementary with the outer wall of drilling rod; The roller periphery axially on be placed with successively some vertical impressions.
Owing to adopted said structure, it is the cylindrical structural of circular arc that roller is made as the little profile in large centre, two ends, so that this roller can with the circumference of drilling-rod external wall on circular arc be complementary, mainly solve roller under the effect of spring mechanism, can be close at circumference with drilling-rod external wall, when carrying on the drilling rod or transfer in the process, roller can in the axially rolling of drilling rod, can not impact to raising and decentralizing of drilling rod this driver; Be provided with some impressions in the roller periphery, the impression annular spread is on the outer wall of roller, and along arranging successively on the centerline direction of roller, when also being the applying of roller and drilling rod, impression is axial along drilling rod, when mainly solving the drilling rod rotation, can produce larger frictional force between roller and the drilling rod, can drive roller and rotate synchronously with drilling rod, can drive glue core and drilling rod synchronous rotary in the under balance pressure drilling process thereby guarantee to drive on the top.
Driver is driven on swivel control head of the present invention top, and described roller is three, and uniform ring is around on the outer wall circumference of drilling rod, and described roller two ends are connected on the spring mechanism by bearing respectively, and roller can be rotated with respect to spring mechanism.
Because to have adopted said structure, roller be three, and be surrounded on equably on the same circumference of outer wall of drilling rod, make under the effect of pair of rollers drilling rod identically on three directions, can play to drilling rod the effect of righting, it is placed in the middle to keep drilling rod, avoids friction texturizing; The two ends of roller are connected on the spring mechanism by bearing, make to put forward or transfer process on the drilling rod and can roll on the drilling rod surface from, roller, and rotate with respect to spring mechanism, avoid drilling rod to the interference of shell.
Driver is driven on swivel control head of the present invention top, described spring mechanism comprises the spring leaf of bearing gland and arc, cover has bearing on the end of roller, described bearing is located in the bearing gland, described bearing gland is fixed on the extrados at spring leaf middle part, one end of described spring leaf is articulated on the outer casing inner wall, and the other end of described spring leaf is positioned at the slide rail on the outer casing inner wall, and this end of spring leaf can be slided in slide rail.
Owing to adopted said structure, this spring mechanism adopts the spring leaf of arc as elasticity part, end at this spring leaf is articulated on the outer casing inner wall, and the other end can slide in slide rail, the end of roller is arranged at the middle part of spring leaf extrados, can provide elastic force for roller, roller is fitted on the drilling-rod external wall, when carrying or transfer in the process on the drilling rod, under the effect of spring leaf, the one end is slided, for spring leaf can fully satisfy deformation space in slide rail, mainly solving roller carries at drilling rod, transfer and have very little force of rolling friction, conveniently drilling in the process.Middle part at the spring leaf extrados is fixed with bearing gland, be provided with bearing in this bearing gland, this bearing is placed on the end of roller, and roller can be rotated with respect to spring leaf, thereby make roller can comply with the operation that raises and decentralizes of drilling rod, guarantee its normal use.
Driver is driven on swivel control head of the present invention top, and wall is provided with slide rail in the enclosure, is provided with joint pin in slide rail, and this joint pin is articulated on the other end of spring leaf.
Owing to adopted said structure, be hinged with joint pin on one end of spring leaf, and this joint pin can slide arbitrarily in slide rail, elasticity by utilizing spring leaf and the slip in slide rail and deformation space can be fully satisfied in the rotation of joint pin, mainly solve roller and in drilling rod put-on and delegated process, have very little force of rolling friction, conveniently drilling.
Driver is driven on swivel control head of the present invention top, described spring mechanism comprises spring, spring base and bearing gland, and cover has bearing on the end of roller, and described bearing is located in the bearing gland, described bearing gland is fixed on the spring base, and described spring base is connected on the outer casing inner wall by spring.
Owing to adopted said structure, elastomeric element mainly adopts spring, this spring is connected on outer casing inner wall and the spring base, can provide elastic force for spring base, and this spring base and bearing gland are connected, and in this bearing gland bearing is set, can be placed on the end of roller, thereby so that spring gives roller an elastic force all the time, make it have all the time the trend of fitting with drilling rod, thereby guarantee drilling rod in rotation process, can drive synchronously shell and rotate.
Driver is driven on swivel control head of the present invention top, is provided with the dust protection rubber skin of center drilling at the top of described shell, and the top of shell is fixed in the limit section of described dust protection rubber skin.
Owing to adopted said structure, the dust protection rubber skin is fixed in the top of shell, and drilling rod can pass in the center drilling on the dust protection rubber skin, make to the dust protection rubber skin to rig floor hang thing and dust and other impurities is isolated, avoid foreign material enter into affects driver in the shell work.
In sum, owing to adopted technique scheme, the invention has the beneficial effects as follows:
1, swivel control head of the present invention pushes up and drives driver, and is simple in structure, easy and simple to handle, easy to use, with low cost, is fit to apply;
2, driver is driven on swivel control head of the present invention top, drives on the top and can drive glue core and drilling rod synchronous rotary in the under balance pressure drilling process, significantly reduces the asynchronous attrition of glue core, raising swivel control head sealing life;
3, swivel control head of the present invention pushes up and drives driver, solve and use at present the top to drive under balance pressure drilling swivel control head glue core without driving the badly damaged problem, in oil, Natural Gas Underbalanced Drilling operation under the driving force of top, the glue core of swivel control head or rotating blowout preventer provides rotary power.
Description of drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is that the activation configuration schematic diagram is driven on the swivel control head top among the present invention;
Fig. 2 is the sectional view of F-F among Fig. 1;
Fig. 3 is dustproof construction schematic diagram among the present invention;
Fig. 4 is upper sliding track mechanism schematic diagram among the present invention;
Fig. 5 is righting wheel Bearning mechanism schematic diagram among the present invention;
Fig. 6 is lower hinge arrangement schematic diagram among the present invention;
Fig. 7 is medi-spring plate shape schematic diagram of the present invention.
Mark among the figure: 1-dustproof construction, the upper sliding track mechanism of 2-, 3-righting wheel Bearning mechanism, 4-spring leaf, hinge under the 5-, 6-shell, 7-dust protection rubber skin, the 8-hold-down screw, 9-upper hinge pin, the upper slide rail of 10-, the 11-bearing gland, 12-roller, 13-bearing set bolt, hinge seat under the 14-, joint pin under the 15-, 16,18-spring leaf end ring, the 17-through hole, the 18-drilling rod, 19-drives driver in the top.
The specific embodiment
Disclosed all features in this manual, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this manual (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
Extremely shown in Figure 7 such as Fig. 1, embodiment 1, driver is driven on swivel control head of the present invention top, comprise the shell 6 that is placed on the drilling rod, can relatively rotate between described shell 6 and the drilling rod, the bottom of described shell 6 is connected on the glue core of the central tube of swivel control head or rotating blowout preventer, in shell 6, be provided with some rollers 12, the number of roller 12 is set according to actual needs, be set to 3 in this example, and uniform ring is around on the same circumference of outer wall of drilling rod, and described roller 12 two ends are connected on the spring mechanism by bearing respectively, and roller 12 can be rotated with respect to spring mechanism, spring mechanism is close on the drilling-rod external wall roller 12, wherein said roller 12 is the little cylindrical structural in large centre, two ends, and the profile with the drilling rod applying of described roller 12 is circular arc, and it can be complementary with the outer wall of drilling rod; Roller 12 peripheries axially on be placed with successively some vertical impressions, described roller 12 is complementary with drilling-rod external wall and can axially rolls at drilling rod, when drilling rod rotates, drives shells 6 by roller 12 and rotates synchronously.Medi-spring of the present invention mechanism comprises the spring leaf 44 of bearing gland 11 and arc, cover has bearing on the end of roller 12, described bearing is located in the bearing gland 11, described bearing gland 11 is fixed on the extrados at spring leaf 4 middle parts, one end of described spring leaf 4 is articulated on shell 6 inwalls, be provided with slide rail at shell 6 inwalls, in slide rail, be provided with joint pin, this joint pin is articulated on the other end of spring leaf 4, make the other end of described spring leaf 4 be positioned at slide rail on shell 6 inwalls, this end of spring leaf 4 can slide in slide rail, be provided with the dust protection rubber skin 7 of center drilling at the top of described shell 6, the top of shell 6 is fixed in the limit section of described dust protection rubber skin 7.
Driver is driven on swivel control head of the present invention top, comprise and draw together dustproof construction 1, upper sliding track mechanism 2, righting wheel Bearning mechanism 3, spring 4, lower hinge 5, fixed housing 6, dust protection rubber skin 7, hold-down screw 8, upper hinge pin 9, upper slide rail 10, bearing gland 11, roller 12, bearing set bolt 13, lower hinge seat 14, lower joint pin 15, spring leaf end ring 16,18, through hole 17, bearing gland 11 is pushed down roller 12 cylindrical shafts small in ends are fixed in spring leaf 4 by bearing set bolt 13, through hole 17 middle part; Upper slide rail 10, lower hinge seat 14 are fixed on the fixed housing 6; Upper hinge pin 9 cooperates the formation upper hinge with spring leaf 4 upper end circular arcs, upper hinge is installed on it can be slided up and down at upper slide rail; Lower hinge seat 12 forms lower hinge with lower end circular arc feature and the lower joint pin 15 of spring leaf 4; Utilize hold-down screw 8 that dust protection rubber skin 7 is fixed in fixed housing 6 upper ends, utilize at last the screw thread of fixed housing 6 lower ends directly and in the swivel control head to be rigidly connected.
Present embodiment is similar to embodiment 1, its difference is: described spring mechanism comprises spring, spring base and bearing gland 11, cover has bearing on the end of roller 12, described bearing is located in the bearing gland 11, described bearing gland 11 is fixed on the spring base, and described spring base is connected on shell 6 inwalls by spring.
Driver is driven on swivel control head of the present invention top, and is simple in structure, easy and simple to handle, easy to use, with low cost, is fit to apply; Drive on the top and can drive glue core and drilling rod synchronous rotary in the under balance pressure drilling process, significantly reduce the asynchronous attrition of glue core, improve swivel control head sealing life; Solve and use at present the top to drive under balance pressure drilling swivel control head glue core without driving the badly damaged problem, in oil, Natural Gas Underbalanced Drilling operation under the driving force of top, the glue core of swivel control head or rotating blowout preventer provides rotary power.
The present invention is not limited to the aforesaid specific embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (7)
1. driver is driven on the swivel control head top, it is characterized in that: it comprises the shell that is placed on the drilling rod, can relatively rotate between described shell and the drilling rod, the bottom of described shell is connected on the glue core of the central tube of swivel control head or rotating blowout preventer, be provided with in the enclosure some rollers, described roller is distributed on the outer same circumference of drilling rod, the two ends of roller are connected on the outer casing inner wall by spring mechanism respectively, spring mechanism is close on the drilling-rod external wall roller, described roller and drilling-rod external wall are complementary and can axially roll at drilling rod, when drilling rod rotates, drive shell by roller and rotate synchronously.
2. swivel control head as claimed in claim 1 pushes up and drives driver, and it is characterized in that: described roller is the little cylindrical structural in large centre, two ends, and the profile with the drilling rod applying of described roller is circular arc, and it can be complementary with the outer wall of drilling rod; The roller periphery axially on be placed with successively some vertical impressions.
3. swivel control head as claimed in claim 2 pushes up and drives driver, it is characterized in that: described roller is three, and uniform ring is around on the outer wall circumference of drilling rod, and described roller two ends are connected on the spring mechanism by bearing respectively, and roller can be rotated with respect to spring mechanism.
4. swivel control head as claimed in claim 3 pushes up and drives driver, it is characterized in that: described spring mechanism comprises the spring leaf of bearing gland and arc, cover has bearing on the end of roller, described bearing is located in the bearing gland, described bearing gland is fixed on the extrados at spring leaf middle part, one end of described spring leaf is articulated on the outer casing inner wall, and the other end of described spring leaf is positioned at the slide rail on the outer casing inner wall, and this end of spring leaf can be slided in slide rail.
5. swivel control head as claimed in claim 5 pushes up and drives driver, and it is characterized in that: wall is provided with slide rail in the enclosure, is provided with joint pin in slide rail, and this joint pin is articulated on the other end of spring leaf.
6. swivel control head as claimed in claim 3 pushes up and drives driver, it is characterized in that: described spring mechanism comprises spring, spring base and bearing gland, cover has bearing on the end of roller, described bearing is located in the bearing gland, described bearing gland is fixed on the spring base, and described spring base is connected on the outer casing inner wall by spring.
7. drive driver such as the described swivel control head of one of claim 1 to 6 top, it is characterized in that: be provided with the dust protection rubber skin of center drilling at the top of described shell, the top of shell is fixed in the limit section of described dust protection rubber skin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210588787.9A CN103015886B (en) | 2012-12-29 | 2012-12-29 | Top drive driver of rotating control head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210588787.9A CN103015886B (en) | 2012-12-29 | 2012-12-29 | Top drive driver of rotating control head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103015886A true CN103015886A (en) | 2013-04-03 |
| CN103015886B CN103015886B (en) | 2014-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210588787.9A Active CN103015886B (en) | 2012-12-29 | 2012-12-29 | Top drive driver of rotating control head |
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| Country | Link |
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| CN (1) | CN103015886B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954133A (en) * | 2016-06-01 | 2016-09-21 | 西南石油大学 | Rotating control head rubber core abrasion experiment equipment |
| US9540898B2 (en) | 2014-06-26 | 2017-01-10 | Sunstone Technologies, Llc | Annular drilling device |
| CN111140194A (en) * | 2020-02-21 | 2020-05-12 | 西南石油大学 | A quick reloading device for well head preventer |
| CN112145078A (en) * | 2020-09-03 | 2020-12-29 | 福建亿钻机械有限公司 | Drill rod guiding device of horizontal directional drilling machine |
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| CN201024969Y (en) * | 2007-05-22 | 2008-02-20 | 大庆石油管理局 | Rotary ejection preventer for under balance drilling well |
| US20080257539A1 (en) * | 2007-04-17 | 2008-10-23 | Moody Braxton I | Well tubular running tool |
| CN201535135U (en) * | 2009-10-30 | 2010-07-28 | 沈阳龙德石油技术开发有限公司 | Automatic stepless variable drilling and workover top drive system |
| CN101852069A (en) * | 2010-02-09 | 2010-10-06 | 西南石油大学 | Supporting rotating control head of underbalanced coal bed methane well drilling |
| CN201687387U (en) * | 2010-04-23 | 2010-12-29 | 山东科鲁斯顶驱装备有限公司 | Rotary carrying device in top-driving well drilling device |
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2012
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080257539A1 (en) * | 2007-04-17 | 2008-10-23 | Moody Braxton I | Well tubular running tool |
| CN201024969Y (en) * | 2007-05-22 | 2008-02-20 | 大庆石油管理局 | Rotary ejection preventer for under balance drilling well |
| CN201535135U (en) * | 2009-10-30 | 2010-07-28 | 沈阳龙德石油技术开发有限公司 | Automatic stepless variable drilling and workover top drive system |
| CN101852069A (en) * | 2010-02-09 | 2010-10-06 | 西南石油大学 | Supporting rotating control head of underbalanced coal bed methane well drilling |
| CN201687387U (en) * | 2010-04-23 | 2010-12-29 | 山东科鲁斯顶驱装备有限公司 | Rotary carrying device in top-driving well drilling device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9540898B2 (en) | 2014-06-26 | 2017-01-10 | Sunstone Technologies, Llc | Annular drilling device |
| CN105954133A (en) * | 2016-06-01 | 2016-09-21 | 西南石油大学 | Rotating control head rubber core abrasion experiment equipment |
| CN105954133B (en) * | 2016-06-01 | 2019-03-12 | 西南石油大学 | A kind of experimental facilities of swivel control head glue core abrasion |
| CN111140194A (en) * | 2020-02-21 | 2020-05-12 | 西南石油大学 | A quick reloading device for well head preventer |
| CN112145078A (en) * | 2020-09-03 | 2020-12-29 | 福建亿钻机械有限公司 | Drill rod guiding device of horizontal directional drilling machine |
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| Publication number | Publication date |
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| CN103015886B (en) | 2014-09-10 |
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Inventor after: Wang Guorong Inventor after: Hu Gang Inventor after: Shen Ruichen Inventor after: Huang Gang Inventor after: Yuan Guangjie Inventor after: Xia Yan Inventor before: Wang Guorong Inventor before: Shen Ruichen Inventor before: Huang Gang Inventor before: Yuan Guangjie Inventor before: Hu Gang Inventor before: Xia Yan |
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Free format text: CORRECT: INVENTOR; FROM: WANG GUORONG SHEN RUICHEN HUANG GANG YUAN GUANGJIE HU GANG XIA YAN TO: WANG GUORONG HU GANG SHEN RUICHEN HUANG GANG YUAN GUANGJIE XIA YAN |
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