National Oilwell Varco designs, manufactures and sells the main mechanical components of onshore and offshore drilling rigs, as well as complete onshore drilling and workover equipment. The main mechanical components include winch, mud pump, power swivel, SCR system, mobile equipment and turntable. The company also designs and manufactures various downhole products, including drilling motors and special drilling tools for lease and sale. National Oilwell Varco also provides distribution services through its network of distribution service centers in the United States, Canada and around the world's major drilling and production activities.
In the past 140 years, National Oil Well Huagao has become the manager of more than 40 leading brands in the industry by continuously increasing the breadth and depth of products and services. These strategic mergers and acquisitions include some leading enterprises in the upstream oil and gas industry, and enable National Oilwell Varco to provide a full range of high-quality products and solutions.
Acquisition history
1892 -
"Oil Well Project" buys Continental Pipeline Company in Pittsburgh.
1902 -
National acquired California Supply Company.
1920 -
National acquisition alliance tool
1928 -
The rights and interests of 1/2 oil well project purchased by the state.
1928 -
National acquisition of advanced engine company
1929 -
Oil well buys Pittsburgh Wilson-Snyder manufacturing company
1930 -
American steel company buys oil wells. Oil well becomes oil well department.
1940 -
National acquisition of central pipeline company
1944 -
Oil well department buys Witt engine factory.
1945 -
Oil well department buys Nielsen Pump Company
1975 -
The state supplies the remaining shares of the oil well project.
1978 -
National acquisition of PAR industries
1978 -
National acquisition of international Derek service company
1978 -
The state buys compressors, pumps and engines.
1979 -
The state bought Baylor University.
1979 -
The national oil company acquired a small oilfield service company in Oklahoma City and called it the National Chemical Company.
1980 -
National buys Grenco's assets.
198 1 -
Acquisition of Equipetrol, S.A. by Armco
1987 -
National supply and USS oil well merger
1989 -
National oil well gets its mission.
1997 -
National Oil Company acquired Rothschild Control Company.
1997 -
National Oil Company acquired PEP Company.
1997 -
National Oil Well Company acquired Dreco Energy Services Limited (Canada).
1998 -
National Oil Well acquired Versatech International Limited (Canada)
1998 -
National Oil Well Acquisition Special Tools Co., Ltd. (Scotland)
1998 -
National Oil Well Acquires Phoenix Energy Products Company (Harrisburg, Wooley, M & ampw, CDI).
1998 -
National Oil Company acquired Roberts-Johnson Industries.
1998 -
Acquisition of DOSCO by National Oilwell (Canada)
1999 -
National Oil Well acquired dupre supply company & dupre International Company.
1999 -
National Oil Well Company acquired CE (Continental Energy Management Company) drilling products and services company; Wilson mobile drilling rig
1999 -
National Oil Well Acquires Skytop Brewster Company
2000 -
National oil well acquisition Republic supply company
2000 -
National Oilwell acquires Hitec ASA (Norway)
2000 -
National Oil Well Acquires IRI International Company
2000 -
National Oil Well Acquires whitley Gasol Omega
2000 -
National Oil Well Acquires Baylor Company
2000 -
National Oil Well Acquires Hart Sales Company
200 1 -
National Oil Well Acquisition Maritime Hydraulic (Canada) Co., Ltd.
200 1 -
National Oilwell acquired DEMIJ (Rotterdam)
200 1 -
National Oil Well Acquisition Technology Power Control Company.
200 1 -
National oil well buys rye supply company.
200 1 -
National Oil Well acquired Texas Petroleum Engineering Supply Company.
200 1 -
National Oil Company acquired HSI- Houston Science International Company.
200 1 -
National oil wells buy AMTEX pumps and companies. supply
200 1 -
National Oilwell acquires assets of Rigquip Department (Noble Drilling U.K. Limited).
2002 -
National Oil Well Acquires Ha 'er Oilfield Pump Company. Equipment (HALCO)
2002 -
National oil well acquisition integrated power system company
2002 -
National Oil Well Acquires STS Oilfield Professional Company. Supply, limited liability company
2002 -
National oil well buys Hydralift ASA
2003 -
National oil well buys LSI special electrical products
2003 -
National oil well company acquired MonoFlo company of the United States; Mono group (UK)
2003 -
The national oil well was acquired? Gray Mekanisk Publishing Company (Norway)
2005 -
National oil well and Varco merged into national oil well Varco
milestone
1862 -
John eaton Company was established to provide oilfield equipment for Pennsylvania Petroleum City and its surrounding areas.
1867 -
The original product series manufactured in our own workshop includes drill bits, cable tools, adjusting screws, lifting rings, wheels, suspenders, etc.
1869 -
John Eaton and EH Cole jointly established Eaton and Cole to provide oilfield equipment.
1884 -
Other homemade products, including: a complete set of cable tools drilling, fishing and cleaning tools.
1884 -
Other homemade products, including: standard and portable drilling rigs, including derrick, drilling rig irons and steam engines.
1884 -
Other homemade products, including: casing and tubing elevators and tongs.
1886 -
Reamer.
1892 -
Complete all-steel drilling rig, including 72 feet. Derrick, crown block and traveling block, piston valve double-cylinder steam engine.
190 1 -
Winch, swivel, drill bit.
1904 -
Portable all-steel drilling rig for drilling cable tools.
1907 -
Rotary table, a portable all-steel drilling machine for rotary drilling.
19 1 1 -
Steam driven mud pump.
19 12 -
"Mud Pig" and "Giant Mud Pig" series steam mud pumps.
19 13 -
United Tools Company (later acquired by National Supply Company) launched the first turntable.
19 13 -
Union Tool Company (later acquired by National Supply Company) manufactured offset steel roller chains with replaceable steel pins and bushings.
19 16 -
Power mud pump.
19 18 -
Designed and patented "Imperial" rotary faucet.
1923 -
Turn the dial on and off.
1923 -
Hild differential electric drive device for rotary drilling.
1926 -
Long stroke (18 ") Wilson-Snyder steam mud pump.
1927 -
Fully enclosed roller bearing double cylinder steam engine.
1928 -
Spang, Chalfant pioneered the "Magna Glo" inspection to find cracks in pipes.
1930 -
Emsco has developed a series of double-acting mud pumps.
1930 -
National designed an improved belt brake system ("K" brake) for the winch, which increased the lever action at the best handle position.
1930 -
High pressure (350 psi working pressure) boiler.
1930 -
20 "stroke steam mud pump.
1930 -
Fully enclosed oil bath turntable.
1933 -
National began to use V-shaped packing ring and spiral spring in the packing assembly of flushing pipe on rotary drilling swivel.
1933 -
Vertical double-cylinder steam engine.
1934 -
Hydraulic feed control of rotary drilling.
1934 -
Di- hard mud pump lining.
1935 -
National has introduced "C" series power duplex mud pumps, 1500 to 3,000 psi, with patented baffle chamber.
1935 -
The state has designed, developed and manufactured a new patented rotary drilling rotary ring main bearing.
1935 -
Rotary drilling rig (a complete set of equipment which is driven independently by steam engine).
1936 -
20 "stroke power mud pump.
1939 -
The rotary drilling device is driven by an internal combustion engine through a hydraulic torque converter.
1940 -
National designed an improved double-disc clutch for the winch, which was first installed on the 33-62-FE steam-driven winch 1500 Hp.
1940 -
Three-cylinder steam mud pump.
194 1 -
The chain compound sectional drive group provided by the state (as a substitute for V-belt) provides power for winch, rotary and mud pump.
1945 -
Power drilling rig (winch and drive) completely controlled by air.
1946 -
National introduced "Gammaloy" drill collar, which is a cheap nonmagnetic stainless steel instead of K-Monel material.
1946 -
Portable crane.
1947 -
The national hydraulic coupling is introduced as a fluid buffer connection between the engine and the drive group to absorb the impact load.
1947 -
National designed, developed and manufactured a new "quick-sealing" hose joint for rotating faucet or vertical gooseneck.
1949 -
National "A" single-stage torque converter, specially designed for drilling rigs, is used to drive components.
1949 -
A drilling depth record of 20,521ft was set by a drilling rig using national drilling equipment in Yanquan, Wyoming.
1949 -
Automatic adjusting hydraulic feed control of rotary drilling.
1950 -
National designed an improved drum clutch (Dy-A-Flex) for winch, which has higher reliability and simpler maintenance.
195 1 -
This paper introduces the overrunning clutch between the drum shaft of the mechanical drilling rig winch and the auxiliary brake.
195 1 -
The country designed, developed and manufactured a new patent "Uniflex" flushing pipe & the packing box of rotary drilling swivel.
1952 -
"Micromatic" drilling control is introduced for the winch to automatically feed the drill pipe when drilling.
1953 -
The drilling depth of Paloma Oilfield in California was recorded as 2 1 1,482 feet, which was set by a drilling rig using national drilling equipment.
1953 -
Ultra-high horsepower and high pressure power mud pump for jet drilling.
1955 -
Hook block.
1956 -
"Uniflex" washing tube obtained national patent. Packing box for rotary drilling rotary ring.
1956 -
National introduced two-step "Spirallel" integral winch drum slotting as an improvement of winding steel wire rope on the drum.
1956 -
The drilling barge in southern New Orleans used the national drilling equipment to set a drilling depth record of 22,570 feet.
1958 -
Three-cylinder plunger mud pump unit with two-speed transmission and directly connected engine, suitable for high pressure and high temperature environment. Slim hole drilling.
1959 -
Lever lifting drilling mast.
1959 -
Induction hardening steel slurry pump cylinder liner.
1959 -
Rotary joint with quick detachable flushing pipe.
1960 -
The "sealed locking tubing" is introduced, which is a high-quality threaded and coupling connection for deep wells.
1962 -
Introduction of subsea Christmas trees in production wells in the Gulf of Mexico.
1963 -
Continental Company has introduced the electric hoist II winch.
1964 -
Remote installation wellhead in 600 feet water depth.
1967 -
Introduce A37- 1/2 rotary type.
1968 -
This paper introduces a mechanical jacking system for offshore jack-up drilling platform, which is characterized by an efficient lifting mechanism with opposed pinions.
1968 -
The first batch of three-cylinder mud pumps in China, model 10-P- 130, rated power 1300 horsepower, were used for land drilling rigs for the first time.
1969 -
Continental Group introduced F 1000 three-cylinder mud pump.
1969 -
An early underwater production system was provided in the Norwegian part of the North Sea.
1969 -
The first batch of three-cylinder mud pumps (model 1400-PT, rated power 1400 HP) have been delivered.
1970 -
A new series of oil well "PC" (active centering) swivel is introduced, with the capacity ranging from 100 to 650 tons.
1972 -
A 1400-PT and A 1700-PT single-acting three-cylinder mud pumps for oil wells are equipped with hydraulic ends for large-capacity applications.
1973 -
A49- 1/2 rotary oil well for offshore drilling.
1974 -
Imported 350-PT single-acting three-cylinder mud pump for oil well, designed for gas lift transportation.
1977 -
Kremco completed the first self-designed K600 workover rig.
1977 -
Dreco designed and built two derrick with bolted beam legs.
1978 -
Dreco's first 400 horsepower winch was designed and manufactured by Glenn Knutson.
1979 -
Dreco built the first 2.5 million-pound mast and pedestal.
1979 -
Dreco introduced a new patented beam-leg mast with a special hinged back brace, which is used to improve the transportation of land drilling rigs.
1980 -
The "Slingshot" substructure allows the installation of major components and. Before lifting the base, raise the mast on the ground.
198 1 -
Dreco develops patented designs for various drilling equipment, including rotary table, traveling block and three-cylinder mud pump.
198 1 -
Dreco introduced its "advanced" winch models 700UE, 700M and 1000UE at OTC in Houston.
198 1 -
Dreco launched the first 4000 horsepower winch on the land drilling rig.
198 1 -
Dreco has launched the first traveling block with a rating of 1 0,250 tons.
1982 -
Dreco introduced the first 156-foot "slingshot" mast and base for land drilling rig, with a rated weight of 2,500,000 pounds and a drilling floor 40 feet high.
1983 -
Dreco designed "Sandmaster", a self-propelled workover/drilling rig for desert operations.
1983 -
Griffith introduced the hydraulic/mechanical drilling jar into Canadian oil fields.
1984 -
Griffith designed and manufactured "Torquemaster", a tool disassembling machine, which became Griffith's main product line.
1985 -
GH Company introduced a new patented disc brake system designed for winch (the design was purchased by National Company on 1987 1 month).
1986 -
Griffith designed and tested its first patented downhole steering drilling motor with the trade name of "Trudril".
1986 -
Dreco developed a cantilever Arctic drilling rig design, which features a sliding drilling platform, allowing more wells to be drilled on a smaller platform.
1986 -
Dreco Company has introduced a new loading and unloading system of BOP, which is driven by hydraulic cylinder operated wire rope crane.
1987 -
Dreco introduced the prototype service drilling rig "Kremcovets" at the Moscow trade show, which is the Kremco drilling rig on the tractor of Kirovets in the Soviet Union.
1988 -
Dreco has introduced a new patented "gripper" system for capping beams, which is used to horizontally lift the rig base on offshore platforms.
1990 -
Emsco shipped FC-2200 three-cylinder mud pump in mainland China.
1990 -
The 14-P-200 three-cylinder mud pump shipped by National-Oilwell (later upgraded to 2200 horsepower).
1990 -
National-Oilwell installed a PS-500 top drive with a patented rotating side slide rail, so that it can swing out of the tripping path in a few minutes.
1992 -
Dreco has introduced a new "lifting and rolling" sliding system, which is used for the horizontal movement of offshore platform drilling rig base.
1992 -
Winch electric remote control combined with PLC kinetic energy monitoring system to prevent traveling block from speeding.
1993 -
Dreco designed and built the first coiled tubing drilling rig.
1995 -
Dreco introduced its new injection head for coiled tubing drilling rig at OTC in Houston.
1995 -
Dreco cooperated with Hitec to design and manufacture the first variable frequency AC drive winch (main drum or auxiliary drum). Brake).
1997 -
Continental Emsco delivered 5,000 HP electric winches for offshore drilling rigs.
1997 -
Dreco has introduced a new type of "slip" rotary dead line fixer, which allows the drilling line to be "cut"; Slip "didn't leave the anchor.
1997 -
National-Oilwell has introduced high-pressure hydraulic flushing pipe packing assembly. , using Kalsi seal, with 4 "drilling hole, used for drilling rotary joint.
1998 -
Continental Energy Management Company has launched the first 60- 1/2 "turntable, model T-6050, which is used for offshore drilling rigs to carry large-diameter risers.
1999 -
National-Oilwell delivered two semi-automatic towed double-person land rigs designed by Dreco, which were controlled by Hitec Cyberbase.
1999 -
National Oilwell cooperated with Hitec to design and manufacture the first AC-driven "active heave compensation winch" for floating drilling rig.
1999 -
SAP is implemented in the distribution team to promote global inventory control, financial planning, logistics, procurement and e-commerce.
2000 -
Peter Miller named the chief operating officer of the national oil well.
2000 -
National Oilwell implemented Customer Connect, an online application that provides customers with detailed expenditure analysis.
200 1 -
The national oil well received orders for two jack-up drilling platforms in Santa Fe.
200 1 -
Peter Miller was appointed CEO.
200 1 -
Implement an online network directory based on BroadVision, allowing ordering through the Internet.
2002 -
The national oil well has produced a power stroke dual hydraulic drilling jar.
2002 -
Multi-opening circulating joint has been introduced into national oil wells, which cancels the requirements of tripping out and taking out falling balls.
2002 -
National Oilwell has introduced mini tongs to improve the safety of small tools and pipes during screwing and unscrewing.