US3807109A - Oil well drilling apparatus - Google Patents
Oil well drilling apparatus Download PDFInfo
- Publication number
- US3807109A US3807109A US00299011A US29901172A US3807109A US 3807109 A US3807109 A US 3807109A US 00299011 A US00299011 A US 00299011A US 29901172 A US29901172 A US 29901172A US 3807109 A US3807109 A US 3807109A
- Authority
- US
- United States
- Prior art keywords
- support member
- sling
- mast
- reclining
- setback
- 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.)
- Expired - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims description 12
- 239000003129 oil well Substances 0.000 title claims description 12
- 238000004873 anchoring Methods 0.000 claims description 10
- 241000364021 Tulsa Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000284 resting effect Effects 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
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
Definitions
- the foot end of a reclining mast member is piv- UNITED STATES PATENTS otally connected to the front end of one of these sup- 3,747,695 7/1973 Branham 1 52/116 port W Means are prov'ded for Swmgmg one 3,749,183 7/1973 Branham et al. 52 116 of the pwotany nnected members upward]? and 3,754,361 8/1973 Branham et a1. 52/116 'earwardly P P and Swmging 3,228,151 1/1966 Woolslayer et al 52 116 another of Said members P to raised Position 80 that 3,201,091 8/1965 Woolslayer et al.
- FIG. 1 is a side view of all the lowered position
- FIG. 2 is a side view showing the setback support raised
- FIG. 3 is a side view showing the drawworks and gin pole raised and the upright mast in dotted lines;
- FIGS. 4 and 5 are enlarged end views taken on the. lines IVIV and V-V, respectively.
- FIGS. 6, 7' and 8 are views corresponding, respectively, to FIGS. 1, 2 and 3, of a modification.
- a long skid base 1 has a raised central portion that provides an open area 2 or porthole beneath it in order to permit the base to be skidded-sideways away from a well head after a well has been completed.
- This floor support member is connected with the base by means of parallel front and rear pairs of reclining links 7 and 8' extending lengthwiseof the base.
- the front endsof the links are connected to the base at longitudinally spaced points 9, while the'rear ends of the links are pivotally connected to the floor support member at longitudinally spaced points 10.
- the floor support 3 Being at a low elevation, the floor support 3 is easily deposited on the base and readily connected to it by means of the reclining links.
- a reclining setback support member 11 Pivotally connected to the base in front of its raised central portion is the foot end of a reclining setback support member 11 which extends forward alongthe ground in front of the base.
- the top of the front end of this reclining setback support is providedwith'brackets 12 that pivotally support the foot end of areclining mast member 13 likewise extending forward away from the base.
- the mast is moved into position by a suitable truck 14 and trailer (not shown), so the'connection to the setback support is easy to make.
- The-mast contains the usual traveling block 15, which can be supported from a dolly running on a trackalong the upper side of the reclining mast in a well-known manner.
- Thetraveling block is connected by lines 16 with a crown block 17 at the head of the mast, from which the-fast line extends in the usual manner back over the mast and down around a sheave, supported by the top of the gin pole,
- a sling line l8 is looped over the hook l9'of the traveling block and the opposite ends of the line are connected to anchor brackets 20 at the top of the gin pole.
- the sling line'then is disconnected'from the gin pole and passed over a-roller 24 atthe back of the top of the setbacksupport and down to anchor points 25 on the floor support 3. Operation of the drawworks causes the traveling block to bemoved closer to the crown block and to pull the sling'along with it. The sling therefore swings the floor support upwardly and forwardly on its pivoted links until the front end of the floor support is close to the back of the top of the setback support, as shown in FIG. 3.
- the two supports then can be connected together in anyv suitable manner, such as by pinningbrackets 26 and27together. Forward movement of the floor support can also belimited by telescoping braces 28 pivotally connected-attheir ends to-the base near the front links 7 and to the floorsupport near the back links 8.
- the slingthen is disconnected from the floor support and passeduparound a pair of sheaves 31 supported by thetop of the gin pole and then forward to anchor brackets 32 on the upper side of the reclining mast.
- the traveling block first has to be returned to a position near the setback support. Now, when the drawworks is operated to pull the traveling blocktowards'the crown blockagain, the sling swings the mast upwardly and rearwardly in a well-known manner until it comes to rest against the gin pole, to which it then is pinned, as shown in dottedlines in FIG. 3.
- the drawworks and the rotary table 33 can be set 'onthe floor support 3 while it is resting on the base 1, and the foot of the mast can be 7 pivoted to the reclining setbacksupport 11 in a position 2, this pulls the mast backward toward the gin pole and causes it to swing the setback support 11 upwardly and back to an upright position, in which brackets 22 on its not far from the ground.
- the different members are raised in succession to their elevated or upright opcrating-positions.
- the'procedure described simply reversed.
- the mast is raised first, followed by the setback support.
- the base' is not provided with araised central portion like the one first described, although it could be.
- the floor supportmember 36 with the rotary table 37 and drawworks 38 and gin pole 39 mounted on it, rests on the rear end portion of a base 40.
- the foot end of a setback support member 42 is pivotally connected to the front end portion'of the base and extends forward along the ground in front of it.
- the foot end of the reclining mast 43 is not connected to the setback support. but is pivotally connected to brackets 44 rigidly mounted on the front end of the floor support.
- a sling line 48 is looped over the hook of the traveling block and extends back beneath sheaves 49 in the mast and then up and around a'pair of sheaves 50 supported by the top of the gin pole and then forward to anchor brackets 51 on the upper side of the reclining mast.
- the sling swings the mast upwardly in the usual way and back against the gin pole, to which it is then fastened.
- the traveling block then is lowered and the sling line is disconnected from the gin pole and passed down and under sheaves 53 mounted on the floor support. From these sheaves the sling extends forward to brackets 54 on the upper surface of the reclining setback support near its front end.
- the drawworks is again operated to raise the traveling block, the sling swingsthe setback support upwardly and back to upright position, where brackets 55 attached to it can be pinned to brackets 56 on the base as shown in FIG. 7.
- Oil well drilling apparatus comprising a base having front and rear ends, parallel reclining front and back links extending lengthwise of the base, means pivotally connecting the front ends of the links to longitudinally spaced points on the base, an elevatable floor support member, means pivotally connecting the rear ends of the links to longitudinally spaced points on said member, a gin'pole mounted on said member, a reclining setback support member having a foot end pivotally connected to said base in front of said links, said setback support member extending forward away from said floor support member, a reclining forwardly extending mast member having a foot end pivotally connected to the front end of one of said support members, means for swinging one of said pivotally connected members upwardly and rearwardly on its foot end to upright position, means for swinging another of said members up to raised position, and means for then swinging the remaining member up to raised position, whereby the mast member will be upright on the raised floor support member behind the upright setback support member.
- Oil well drilling apparatus in which it is the front end of the setback support member to which the foot end'of the mast member is pivotally connected, and in which said means for swinging include drawworks mounted on said floor support member, a traveling block in the mast member, a line supported by the mast member and connected to the drawworks for pulling the block toward the head of the mast member, a sling connected at one end with the traveling block, and means for first connecting the opposite end of the sling with the gin pole to raise the reclining setback support member and the foot of the reclining mast member together and for then connecting the sling with the floor support member to swing it upwardly and forward toward the raised setback support member and for then connecting the sling'with the gin pole again to swing the reclining mast member upwardly and back against the gin pole to upright position.
- Oil well drilling apparatus in which said last-mentioned means include means for first anchoring said opposite end of the'sling to the top of the gin pole, means for later anchoring said opposite end of the sling to the floor support member,'sheave means mounted onthe top of the gin pole, and means for anchoring said opposite end of the sling to the upper side of the reclining mast member with the sling extending therefrom down around the back of said sheave means and forward to the traveling block.
- Oil well drilling apparatus in which it is the front end of the floor support member to which the foot end of the mast member is pivotally connected, and in which said means for swinging include drawworks mounted on said floor support member, a traveling block in the mast member, a line supported by the mast member and connected to the drawworks for pulling the block toward the headpf the mast member, a sling connected at one end with the traveling block, and means for first connecting the opposite end of the sling with the ginpole to swing the mast member up to upright position and for then connecting the sling with both the floor support member and setback support member to first raise the setback support member and then swing the floor support member and upright mast member upwardly and forward toward the raised setback support member.
- oil well drilling apparatus in which said last-mentioned means include sheave means mounted on the top of the gin pole, means for first anchoring said opposite end of the sling'to the upper side of the reclining mast member with the sling extending therefrom down around the back of said sheave means and forward to the traveling block, sheave means mounted on said floor support member, and means for later anchoring said opposite end of the sling to the upper part of the raised setback support member with the sling extending therefrom down under said lastmentioned sheave means and up to the traveling block.
- said last-mentioned means include sheave means mounted on the top of the gin pole, means for first anchoring said opposite end of the sling'to the upper side of the reclining mast member with the sling extending therefrom down around the back of said sheave means and forward to the traveling block, sheave means mounted on said floor support member, and means for later anchoring said opposite end of the sling to the upper part of the raised setback
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)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00299011A US3807109A (en) | 1972-10-19 | 1972-10-19 | Oil well drilling apparatus |
GB3058273A GB1389152A (en) | 1972-10-19 | 1973-06-27 | Oil well drilling apparatus |
AU57554/73A AU472298B2 (en) | 1972-10-19 | 1973-06-29 | Oilwell drilling apparatus |
CA176,568A CA961027A (en) | 1972-10-19 | 1973-07-16 | Oil well drilling apparatus |
FR7328734A FR2203933B1 (it) | 1972-10-19 | 1973-08-06 | |
JP11063473A JPS549961B2 (it) | 1972-10-19 | 1973-10-03 | |
IT29769/73A IT995613B (it) | 1972-10-19 | 1973-10-05 | Apparecchiatura per la perforazione di pozzi petroliferi |
NL737314337A NL155334B (nl) | 1972-10-19 | 1973-10-18 | Boortoren. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00299011A US3807109A (en) | 1972-10-19 | 1972-10-19 | Oil well drilling apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
US3807109A true US3807109A (en) | 1974-04-30 |
Family
ID=23152948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00299011A Expired - Lifetime US3807109A (en) | 1972-10-19 | 1972-10-19 | Oil well drilling apparatus |
Country Status (8)
Country | Link |
---|---|
US (1) | US3807109A (it) |
JP (1) | JPS549961B2 (it) |
AU (1) | AU472298B2 (it) |
CA (1) | CA961027A (it) |
FR (1) | FR2203933B1 (it) |
GB (1) | GB1389152A (it) |
IT (1) | IT995613B (it) |
NL (1) | NL155334B (it) |
Cited By (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3922825A (en) * | 1973-04-20 | 1975-12-02 | Dresser Ind | System for erecting an oil well derrick |
US3942593A (en) * | 1973-10-17 | 1976-03-09 | Cabot Corporation | Drill rig apparatus |
US4009544A (en) * | 1975-07-07 | 1977-03-01 | Parker Drilling Company, Inc. | Drilling rig with improved mast support structure |
US4135340A (en) * | 1977-03-08 | 1979-01-23 | Chloride Group Limited | Modular drill rig erection systems |
US4221088A (en) * | 1979-01-02 | 1980-09-09 | Pre Corporation Mfg. Co. | Low lift, elevatable high floor drilling mast and substructure arrangement therefor |
US4366650A (en) * | 1980-08-04 | 1983-01-04 | Pre Corporation | Support arrangement including base support means and elevatable support means to transport a drawworks and drilling mast supported thereon and for positioning at a drilling location |
US4375241A (en) * | 1979-04-11 | 1983-03-01 | Union Industrielle Et D'entreprise | Drilling installation, more specifically for oil-drilling operations |
US4471587A (en) * | 1982-02-22 | 1984-09-18 | Continental Emsco | Dual swing-up elevator well drilling apparatus |
US4489526A (en) * | 1983-03-08 | 1984-12-25 | Skytop Brewster Company | Drill rig elevating floor structure |
US4569168A (en) * | 1982-09-20 | 1986-02-11 | P J Repair Service, Inc. | Self-elevating substructure for a portable oil derrick |
US4587778A (en) * | 1984-10-05 | 1986-05-13 | Lee C. Moore Corporation | Method and apparatus for erecting a drilling rig mast |
US4831795A (en) * | 1985-07-10 | 1989-05-23 | Sorokan Ronald S | Drilling derrick assembly |
US20040211598A1 (en) * | 2003-04-25 | 2004-10-28 | National Oilwell Inc. | Fast moving drilling rig |
US20050193645A1 (en) * | 2004-03-02 | 2005-09-08 | Barnes R. M. | Automatic method for installing mobile drilling rig at a drilling site |
US7308953B2 (en) * | 2004-03-02 | 2007-12-18 | Barnes R Michael | Mobile drilling rig |
WO2009001133A2 (en) * | 2007-06-28 | 2008-12-31 | National Oilwell Varco, L.P. | Land rig |
US20090200856A1 (en) * | 2008-02-13 | 2009-08-13 | Chehade Elie J | Methods and systems for raising and lowering a rig mast and substructure by remote control |
US20090218137A1 (en) * | 2008-02-29 | 2009-09-03 | Robert Benjamin Donnally | Drilling rig drawworks installation |
US20090218139A1 (en) * | 2008-02-29 | 2009-09-03 | Robert Benjamin Donnally | Drilling rigs and erection methods |
US20090218144A1 (en) * | 2008-02-29 | 2009-09-03 | Robert Benjamin Donnally | Drilling rig masts and methods of assembly and erecting masts |
US20090218138A1 (en) * | 2008-02-29 | 2009-09-03 | Robert Benjamin Donnally | Drilling rig structure installation and methods |
US20090283324A1 (en) * | 2008-05-15 | 2009-11-19 | Kameron Wayne Konduc | Mobile drilling rig |
WO2011017584A2 (en) | 2009-08-07 | 2011-02-10 | National Oilwell Varco, L.P. | Drilling rig with hinged, retractable outriggers |
US20110072737A1 (en) * | 2009-09-28 | 2011-03-31 | International Drilling Equipment Company, Llc | Portable drilling rig apparatus and assembly method |
WO2013032600A2 (en) | 2011-08-31 | 2013-03-07 | National Oilwell Varco, L.P. | Pinned structural connection using a pin and plug arrangement |
DE102012209988A1 (de) * | 2012-03-20 | 2013-10-10 | Bentec Gmbh Drilling & Oilfield Systems | Unterbaumodul für eine mobile Landbohranlage und Verfahren zum Auf- und Abbau solcher Unterbaumodule |
US20130269268A1 (en) * | 2012-04-17 | 2013-10-17 | National Oilwell Varco, L.P. | Mobile drilling rig with telescoping substructure boxes |
US9091125B2 (en) | 2012-01-16 | 2015-07-28 | National Oilwell Varco, L.P. | Collapsible substructure for a mobile drilling rig |
US9464488B2 (en) | 2013-09-30 | 2016-10-11 | National Oilwell Varco, L.P. | Performing simultaneous operations on multiple wellbore locations using a single mobile drilling rig |
US9512676B2 (en) * | 2015-03-05 | 2016-12-06 | Patterson-Uti Drilling Company Llc | Mast leg pulley |
US9650840B2 (en) | 2015-04-27 | 2017-05-16 | National Oilwell Varco, L.P. | Method and apparatus for erecting a drilling rig |
US9677298B2 (en) | 2014-07-14 | 2017-06-13 | Dreco Energy Services Ulc | Mobile drilling rig |
US9970211B2 (en) | 2016-05-02 | 2018-05-15 | Dreco Energy Services Ulc | Guide rails for mobile drilling rig |
US9988807B2 (en) * | 2016-02-24 | 2018-06-05 | National Oilwell Varco, L.P. | Drilling rig with self-elevating drill floor |
US10822924B2 (en) | 2016-03-07 | 2020-11-03 | National Oilwell Varco, L.P. | Multi-well bop cellar trailer |
US11021186B2 (en) | 2016-10-05 | 2021-06-01 | Dreco Energy Services Ulc | Movable rig and steering system |
US11454067B2 (en) | 2018-08-06 | 2022-09-27 | Nov Canada Ulc | Drill floor support structures |
US11603723B2 (en) | 2019-08-30 | 2023-03-14 | Nov Canada Ulc | Cuttings processing unit |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4478015A (en) * | 1982-09-07 | 1984-10-23 | Lawrence Larry K | Cable sling arrangement for pivoting a drilling mast and drawworks elevator to a raised or reclined position in relation to a substructure support and method of cable sling string up |
Citations (9)
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GB690526A (en) * | 1951-05-28 | 1953-04-22 | Moore Corp Lee C | Improvements in or relating to a substructure for a mast |
US3050159A (en) * | 1960-01-12 | 1962-08-21 | Barber Greene Co | Self-erecting portable mixing plant or the like |
GB994663A (en) * | 1960-12-09 | 1965-06-10 | Moore Corp Lee C | Portable oil well drilling apparatus |
US3201091A (en) * | 1960-12-09 | 1965-08-17 | Moore Corp Lee C | Portable oil well drilling apparatus |
US3228151A (en) * | 1962-02-15 | 1966-01-11 | Moore Corp Lee C | Drilling apparatus for deep oil wells |
US3483933A (en) * | 1967-11-24 | 1969-12-16 | Dresser Ind | Oil derrick erection and support system |
US3747695A (en) * | 1971-04-06 | 1973-07-24 | Pyramid Derick And Equipment C | High floor pivoted mast drilling rig |
US3749183A (en) * | 1971-11-10 | 1973-07-31 | Pyramid Derrick & Equipment Co | Deep well drilling apparatus |
US3754361A (en) * | 1972-06-26 | 1973-08-28 | Pyramid Derrick & Equipment | Transportable drilling mast substructure with elevatable drawworks |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1302147A (fr) * | 1961-09-28 | 1962-08-24 | Moore Corp Lee C | Installation mobile de forage, en particulier pour le forage de puits de pétrole |
-
1972
- 1972-10-19 US US00299011A patent/US3807109A/en not_active Expired - Lifetime
-
1973
- 1973-06-27 GB GB3058273A patent/GB1389152A/en not_active Expired
- 1973-06-29 AU AU57554/73A patent/AU472298B2/en not_active Expired
- 1973-07-16 CA CA176,568A patent/CA961027A/en not_active Expired
- 1973-08-06 FR FR7328734A patent/FR2203933B1/fr not_active Expired
- 1973-10-03 JP JP11063473A patent/JPS549961B2/ja not_active Expired
- 1973-10-05 IT IT29769/73A patent/IT995613B/it active
- 1973-10-18 NL NL737314337A patent/NL155334B/xx not_active IP Right Cessation
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB690526A (en) * | 1951-05-28 | 1953-04-22 | Moore Corp Lee C | Improvements in or relating to a substructure for a mast |
US3050159A (en) * | 1960-01-12 | 1962-08-21 | Barber Greene Co | Self-erecting portable mixing plant or the like |
GB994663A (en) * | 1960-12-09 | 1965-06-10 | Moore Corp Lee C | Portable oil well drilling apparatus |
US3201091A (en) * | 1960-12-09 | 1965-08-17 | Moore Corp Lee C | Portable oil well drilling apparatus |
US3228151A (en) * | 1962-02-15 | 1966-01-11 | Moore Corp Lee C | Drilling apparatus for deep oil wells |
US3483933A (en) * | 1967-11-24 | 1969-12-16 | Dresser Ind | Oil derrick erection and support system |
US3747695A (en) * | 1971-04-06 | 1973-07-24 | Pyramid Derick And Equipment C | High floor pivoted mast drilling rig |
US3749183A (en) * | 1971-11-10 | 1973-07-31 | Pyramid Derrick & Equipment Co | Deep well drilling apparatus |
US3754361A (en) * | 1972-06-26 | 1973-08-28 | Pyramid Derrick & Equipment | Transportable drilling mast substructure with elevatable drawworks |
Cited By (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3922825A (en) * | 1973-04-20 | 1975-12-02 | Dresser Ind | System for erecting an oil well derrick |
US3942593A (en) * | 1973-10-17 | 1976-03-09 | Cabot Corporation | Drill rig apparatus |
US4009544A (en) * | 1975-07-07 | 1977-03-01 | Parker Drilling Company, Inc. | Drilling rig with improved mast support structure |
US4135340A (en) * | 1977-03-08 | 1979-01-23 | Chloride Group Limited | Modular drill rig erection systems |
US4221088A (en) * | 1979-01-02 | 1980-09-09 | Pre Corporation Mfg. Co. | Low lift, elevatable high floor drilling mast and substructure arrangement therefor |
US4375241A (en) * | 1979-04-11 | 1983-03-01 | Union Industrielle Et D'entreprise | Drilling installation, more specifically for oil-drilling operations |
US4366650A (en) * | 1980-08-04 | 1983-01-04 | Pre Corporation | Support arrangement including base support means and elevatable support means to transport a drawworks and drilling mast supported thereon and for positioning at a drilling location |
US4471587A (en) * | 1982-02-22 | 1984-09-18 | Continental Emsco | Dual swing-up elevator well drilling apparatus |
US4569168A (en) * | 1982-09-20 | 1986-02-11 | P J Repair Service, Inc. | Self-elevating substructure for a portable oil derrick |
US4489526A (en) * | 1983-03-08 | 1984-12-25 | Skytop Brewster Company | Drill rig elevating floor structure |
US4587778A (en) * | 1984-10-05 | 1986-05-13 | Lee C. Moore Corporation | Method and apparatus for erecting a drilling rig mast |
US4831795A (en) * | 1985-07-10 | 1989-05-23 | Sorokan Ronald S | Drilling derrick assembly |
US20040211598A1 (en) * | 2003-04-25 | 2004-10-28 | National Oilwell Inc. | Fast moving drilling rig |
EP2639399A1 (en) * | 2003-04-25 | 2013-09-18 | National-Oilwell, L.P. | Fast moving drilling rig |
US7765749B2 (en) * | 2003-04-25 | 2010-08-03 | National Oilwell, L.P. | Fast moving drilling rig |
US20050193645A1 (en) * | 2004-03-02 | 2005-09-08 | Barnes R. M. | Automatic method for installing mobile drilling rig at a drilling site |
US7306055B2 (en) * | 2004-03-02 | 2007-12-11 | Barnes R Michael | Automatic method for installing mobile drilling rig at a drilling site |
US7308953B2 (en) * | 2004-03-02 | 2007-12-18 | Barnes R Michael | Mobile drilling rig |
WO2009001133A2 (en) * | 2007-06-28 | 2008-12-31 | National Oilwell Varco, L.P. | Land rig |
US20090000218A1 (en) * | 2007-06-28 | 2009-01-01 | Douglas Wayne Lee | Land rig |
CN103321581B (zh) * | 2007-06-28 | 2015-10-28 | 国民油井华高有限合伙公司 | 陆上钻机 |
CN101809248B (zh) * | 2007-06-28 | 2015-08-19 | 国民油井华高有限合伙公司 | 陆上钻机 |
CN103321581A (zh) * | 2007-06-28 | 2013-09-25 | 国民油井华高有限合伙公司 | 陆上钻机 |
WO2009001133A3 (en) * | 2007-06-28 | 2010-04-29 | National Oilwell Varco, L.P. | Land rig |
US20090200856A1 (en) * | 2008-02-13 | 2009-08-13 | Chehade Elie J | Methods and systems for raising and lowering a rig mast and substructure by remote control |
US8250816B2 (en) | 2008-02-29 | 2012-08-28 | National Oilwell Varco L.P. | Drilling rig structure installation and methods |
US20090218138A1 (en) * | 2008-02-29 | 2009-09-03 | Robert Benjamin Donnally | Drilling rig structure installation and methods |
WO2009106860A3 (en) * | 2008-02-29 | 2011-01-06 | National Oilwell Varco, L.P. | Method and apparatus for facilitating assembly and erection of a drilling rig |
US20090218139A1 (en) * | 2008-02-29 | 2009-09-03 | Robert Benjamin Donnally | Drilling rigs and erection methods |
US8813436B2 (en) | 2008-02-29 | 2014-08-26 | National Oilwell Varco, L.P. | Pinned structural connection using a pin and plug arrangement |
CN102016219A (zh) * | 2008-02-29 | 2011-04-13 | 国民油井华高有限合伙公司 | 便于组装和架设钻机的方法与设备 |
US8047303B2 (en) | 2008-02-29 | 2011-11-01 | National Oilwell Varco L.P. | Drilling rig drawworks installation |
WO2009106860A2 (en) * | 2008-02-29 | 2009-09-03 | National Oilwell Varco, L.P. | Method and apparatus for facilitating assembly and erection of a drilling rig |
CN102016219B (zh) * | 2008-02-29 | 2013-11-06 | 国民油井华高有限合伙公司 | 便于组装和架设钻机的方法与设备 |
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US8549815B2 (en) | 2008-02-29 | 2013-10-08 | National Oilwell Varco L.P. | Drilling rig masts and methods of assembly and erecting masts |
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Also Published As
Publication number | Publication date |
---|---|
JPS4974102A (it) | 1974-07-17 |
AU5755473A (en) | 1975-01-09 |
FR2203933B1 (it) | 1976-06-18 |
NL155334B (nl) | 1977-12-15 |
GB1389152A (en) | 1975-04-03 |
AU472298B2 (en) | 1976-05-20 |
CA961027A (en) | 1975-01-14 |
FR2203933A1 (it) | 1974-05-17 |
JPS549961B2 (it) | 1979-04-28 |
NL7314337A (it) | 1974-04-23 |
IT995613B (it) | 1975-11-20 |
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