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Topic: Drilling rig

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Engineering

	Drilling Rigs Drilling Rig Components Drilling Equipment
		Drilling rigs by pipe used: cable drilling rig, conventional drilling rig, and coil tubing drilling rig.
		Drilling rigs by position of derrick: conventional drilling rig and slant drilling rig.
		We know that the drilling contractors need to provide faster and safer drilling services to their clients so our drilling rigs are customized to meet their needs.
	www.oilgasdrillingrigs.com (268 words)

	Drilling rig types
		A drilling rig is a structure housing equipment used to drill for water, oil, natural gas from underground reservoirs or to obtain mineral core samples.
		This method of drilling is used to drill the weathered regolith, as the drill rig and steel or tungsten blades cannot penetrate fresh rock.
		Although RC rigs have their own booster and compressor to generate air pressure, extra power is needed which usually isn't supplied by the rig due to lack of space for these large engines.
	www.gaea.ca /en-us/types_of_drill_rigs.html (3121 words)

	Drilling rig with torque carrier - Patent 6951082
		The rig is readied for transport by disconnecting upper and lower parts of a torque carrier, moving the lower torque carrier laterally within the lower mast to allow the upper mast to telescope within the lower mast; and telescoping the upper mast within the lower mast.
		The telescoping rig of claim 1 in which the lower torque carrier is attached to the lower mast by pivots to allow the lower torque carrier to swing out of the way of the upper mast when the upper mast is moved into the telescoped position.
		The telescoping rig of claim 2 in which the lower torque carrier is attached to the lower mast by plural arms, each arm being pivotally attached to the lower mast and to the lower torque carrier.
	www.freepatentsonline.com /6951082.html (2015 words)

	Oil well drilling rig mover - Patent 4375892
		An oil well drilling rig mover according to claim 1, in which the lower end of each shaft is pivotally connected to the adjoining axle on a transverse axis substantially perpendicular to the shaft, and retractable means is provided for locking the shaft against pivotal movement on the axle.
		During drilling, the body of the mover is supported by mats resting on the ground, but when it is desired to move the rig, its body is raised relative to its wheels so that the mover then can travel along the ground.
		When a new drilling location is reached, the piston rods are connected to the support members again, links 19 are disconnected and the hydraulic cylinders allow the skid base to slowly descend between the wheels at its ends until mat 7 rests on the ground.
	www.freepatentsonline.com /4375892.html (2124 words)

	Drilling Rig - Search Results - ninemsn Encarta (Site not responding. Last check: )
		Drilling Rig, permanently fixed, floating or subsea structure, which houses drilling apparatus.
		Drilling rigs are used in the North Sea and oceans...
		Oilfields located under the ocean floor are exploited by the construction and operation of offshore drilling rigs.
	au.encarta.msn.com /Drilling_Rig.html (97 words)

	R&B Falcon and Vastar Resources Sign Letter of Intent for Proposed Ultra-Deepwater Semisubmersible Drilling Rig
		and Vastar have executed a letter of intent with respect to a three-year drilling contract for the provision of a new-generation ultra-deepwater dynamically positioned semisubmersible drilling rig, the "RBS8-D".
		The rig would be initially outfitted to work in up to 8,000 feet of water in the U.S. Gulf of Mexico, with its design being suitable for worldwide service, including in the harsh environments of the North Sea and west of Shetland areas.
		Once the drilling contract is executed, the transaction is expected to generate revenues for R&B Falcon of approximately $220 million over a three- year term.
	www.prnewswire.com /cgi-bin/stories.pl?ACCT=104&STORY=/www/story/10-15-1998/0000773151&EDATE= (648 words)

	Drilling rig Summary
		Where the first offshore rigs rested on the bottom, supporting their weight and the weight of long supports, some later rigs were supported by huge hollow floats, tethered to the seafloor with the platform riding high above the waves.
		Other rigs were constructed ashore and towed to their drilling sites, where the legs were cranked down through the platform to rest on the seafloor.
		Pulling a drill string to change the bit requires lowering it again to successfully hit a 12- in (30-cm) hole at the bottom of 100 m (328 ft) of water, without being able to see the hole or the end of the drill string.
	www.bookrags.com /Drilling_rig (5847 words)

	Laney Directional Drilling - Equipment Information
		One small size drilling rig capable of using drill stems that is twenty feet long by four inches in diameter.
		One medium size drilling rig capable of using a drill stem that is thirty feet long by four inches in diameter.
		Three medium size drilling rig capable of using a drill stem that is thirty feet long by four inches in diameter.
	www.laneydrilling.com /html/equipment.html (374 words)

	Drilling Rig Coating Surveys - InspectThis! - NACE International the Corrosion Society (Site not responding. Last check: )
		A rig only makes money for the owner when it is drilling, thus the ability of the coating systems to protect the structure for extended periods with minimal maintenance by the rig's crew is extremely important.
		Naval architects who design these rigs are concerned with the maximum utilization of space, hence the size of the tanks can range from large tanks with depths of more than 25 feet to small tanks with depths of only 6 feet.
		All of the survey work has to be done while the rig is drilling, which means that tanks have to be emptied and filled in a sequence that allows the rig to continue to drill while the survey is going on.
	www.nace.org /nace/content/education/inspectthis/tech_art/drill.asp (852 words)

	Howstuffworks "How Oil Drilling Works"
		They dig a reserve pit, which is used to dispose of rock cuttings and drilling mud during the drilling process, and line it with plastic to protect the environment.
		Depending upon the remoteness of the drill site and its access, equipment may be transported to the site by truck, helicopter or barge.
		Some rigs are built on ships or barges for work on inland water where there is no foundation to support a rig (as in marshes or lakes).
	science.howstuffworks.com /oil-drilling2.htm (773 words)

	NASA - NASA To Test Automated Drilling Rig in Arctic Crater In Mars Analog Mission
		So, scientists are developing an automated, unmanned drill rig that can operate totally on its own, unsupervised for hours at a time.
		Imagine using a remote control drill press in your garage, and not knowing if the drill were vibrating and about to fail until as many as 20 minutes later.
		For this reason, NASA Ames scientists are working to develop a combination of three kinds of artificial intelligence that could control a drilling rig on Mars for hours on end without human involvement.
	www.nasa.gov /centers/ames/research/exploringtheuniverse/ai.html (870 words)

	ANDRILL\|drill rig (Site not responding. Last check: )
		The fluid is pumped to the drill rig from the drill fluids system, which is housed in three ISO containers that are linked to the catwalk sledge.
		The 315 horsepower hydraulic power pack for the Drilling Rig is housed in a container which sits next to the platform and is connected via several hydraulic hoses to the rig.
		The drill rig and ancillary systems were tested on land in New Zealand in September-October 2005.
	andrill.org /science/rig/index.html (1242 words)

	[No title]
		Drilling activity in the Rocky Mountain region has taken on an international look this year, thanks to the demanding conditions that come with today's current exploration environment.
		Croyle noted some trade schools are gearing up to train drilling rig workers, and Canadian rigs and crews have already arrived to work in the area.
		According to a Baker Hughes 2005 rig count through late June, Wyoming's average number of drilling rigs was 72.
	www.aapg.org /explorer/2005/11nov/chinese_drilling.cfm (987 words)

	Forster Drilling Corporation : about
		The Company currently owns seven rotary drilling rigs that are currently being rebuilt to "as new condition," six diesel-mechanical rotary drilling rigs: two National 50As, a Continental EMSCO A-550, a National 55, a National 50CA, a National 100 and one diesel-electric rotary drilling rig, a National 110UE.
		All seven rigs will be deployed in the Barnett Shale Trend of North Texas, the Permian Basin of West Texas and Eastern New Mexico and the Cotton Valley Trend of East Texas pursuant to term daywork contracts with anticipated day rates of 15,000 dollars to 26,000 dollars per day per rig.
		In addition to having the in-house capability to rebuild stacked drilling rigs and used major rig components to "like new condition," we also possess the ability to build new rigs and to build new major rig components.
	www.forsterdrilling.com /index.php?display=about (517 words)

	Mitchell Corporation - Media Item July 2004 - New Drilling Rig - The "Lamborghini" of rigs offers improved ...
		In the newest addition to their state-of-the-art fleet of rigs and support equipment, Mitchell Drilling Contractors have acquired the latest model in the Soilmec range of rigs – the G-55 Model.
		Especially made to order for Mitchell Drilling by Soilmec in Piacenza, Italy, the technology and innovation implicit in the G-55 is such that it is often described as the Lamborghini of drilling rigs.
		Finally, the rig delivers a significant array of high performance equipment as part of it's modular design that combined with it's manoeuvrability, really does echo the comparison with the automotive legend and it's regional neighbour in Northern Italy, Lamborghini.
	www.mitchelldrilling.com /media/item03.htm (532 words)

	DOE - Fossil Energy Techline: DOE-Funded 'Microhole' Drilling Rig Demonstrated Successfully in Midcontinent
		Managed by the Office of Fossil Energy's National Energy Technology Laboratory, the initiative seeks to develop the tools and techniques for drilling ultrasmall boreholes (generally, 1-3/4 to 4-1/2 inches in diameter) and related downhole micro-instrumentation, using coiled tubing drilling rigs that are small and easily transportable.
		These rigs - some small enough to mount on a trailer pulled by a standard pickup truck - employ solid tubing coiled around a spool on the trailer to drill boreholes with well casing diameters of less than 4-1/2 inches.
		Microhole coiled tubing drilling technology has the kind of game-changing potential that could be applied to bypassed resources in thousands of oil and natural gas reservoirs across the Nation, particularly for shallow reservoirs in mature or even apparently depleted fields.
	www.fe.doe.gov /news/techlines/2006/06072-Microhole_Drilling_Rig_Successful.html (718 words)

	ABOUT RBI INDUSTRIES - WESLEY HOLLEY CHAIRMAN, PRESIDENT AND CEO
		People working on drilling rigs, must not only face what mother nature brings, but they must be always on the lookout for any number of catastrophes that could and do cost them their lives.
		Some land rigs require the mast to be pinned to the A-frame at a high elevation above the drill floor creating a safety hazard when a worker has to climb carrying drive pins and a sledgehammer.
		Rig moving equipment is highly specialized and is designed according to the type of rig package to be moved, the environment and customer requirements.
	www.rigbuilders.com /aboutus.htm (1172 words)

	Glossary - D
		A well drilled in such a way that its controlled direction departs progressively from the vertical; such wells are drilled in order to reach different parts of a reservoir from a single platform.
		Drill bits used for extra-hard rock are studded with thousands of tiny industrial diamonds, the hardest substances known.
		Drilling mud provides circulation, flushing rock cuttings from the bottom of the well bore to the surface.
	www.conocophillips.com /newsroom/other_resources/energyglossary/glossary_d.htm (644 words)

	Saudi Aramco World : Sea-Going Drilling Rig (Site not responding. Last check: )
		The first big break came when land rigs became diesel powered and "the whole system was lightened." The lighter power equipment made overwater drilling easier—the fixed drilling platforms, built upon long piles driven into the bottom, had to carry less weight.
		Everything that had been learned about drilling platforms, barges that carried rigs aboard, and huge "sea islands" from which many wells could be drilled, was consolidated in a new technology.
		A drilling rig and derricks had to be mounted on each, and then dismounted when the well was completed—a time-consuming and costly procedure.
	www.saudiaramcoworld.com /issue/196402/sea-going.drilling.rig.htm (2157 words)

	Drilling Rig Plans Book & troubleshooting well guide
		Most portable drilling rigs are just gas diggers with a water swivel attached and a hand winch.
		The deeper you drill, the more drill pipe weight is on the cheap aluminum gear box shaft that was originally rated for a 6ft long 8 inch auger bit weight.
		Most rigs others sell are made to fit UPS packing guide lines of lenght and weight, using light gauge steel, because a extra 200.00 shipping would blow them selling you a rig.
	drillingfab.com /books (818 words)

	Offshore Technology - Byford Dolphin Drilling Rig
		Statoil's Byford Dolphin drilling rig broke free from a tow on November 22, 2001, and was set adrift in the Norwegian Sea.
		The rig was equipped with its own propulsion system, and travelled through the Halten Bank area at a rate of 1.3 knots.
		The drilling rig was shadowed for several miles by both boats and helicopters.
	www.offshore-technology.com /contractors/drilling/byford-dolphin.html (163 words)

	Fatality Highlights Drilling Rig Dangers (Site not responding. Last check: )
		A 33-year-old assistant driller was killed when he was caught in the revolving auger of a portable drilling rig set up in isolation on a NSW rural property.
		The portable rig was drilling a 75mm diameter hole, taking samples for testing.
		There are approximately 200 of these types of rig in NSW and similar accidents have occurred within the drilling industry.
	www.workcover.nsw.gov.au /Publications/Archive/SafetyAlerts/drilling.htm (491 words)

	11.1 New Drilling Rig Exxon Azerbaijan to Inaugurate New Oil Rig
		The new drilling rig, currently known as DSS-20, which is currently being assembled at the Baku shipyard.
		Once it's finished, the semi-submersible rig will be the largest and most powerful drilling unit in the Caspian Sea, capable of operating in water depths of up to one kilometer and drilling to depths of more than nine km.
		Since then, the rig hull has been completed, the drill floor has been erected, and assembly of the derrick is in progress.
	www.azer.com /aiweb/categories/magazine/ai111_folder/111_articles/111_exxon_drilling.html (424 words)

	Rig Maintenance,preventative maintenance,PM schedule software job risk analysis
		Over the years it has became obvious that clients in the drilling industry not only demand value for money from the contractors, but require proof of continuous good rig machinery performance with minimum downtime due to mechanical or electrical failures.
		By using this system drilling contractors will not only benefit from an operational point of view, it can be seen as historical proof that the contractor is determined to provide the client with the utmost in service and reliability.
		In addition all forms have the option to be exported to a rig maintenance file or custom data base.The individual forms within the PM package are, self explanatory, once completed either by PC or hard copy, they can be maintained by head office, maintenance personnel or any other interested party.
	www.drillingsoftware.com /rigmainten/rigmaintenance.html (361 words)

	Boston.com / Business / Statoil shuts down oil drilling rig
		Oil exploration drilling from the offshore rig Eirik Raude has been shut down after its third spill into ecologically fragile Arctic waters in just over two months, Statoil ASA announced Wednesday.
		Environmental groups have strongly opposed oil drilling in the Barents Sea, saying the region's rich fish stocks and fragile cold water ecology are especially sensitive to pollution.
		The same rig had two leaks in February when it was drilling an exploration well for another Norwegian oil company, Norsk Hydro ASA.
	www.boston.com /business/articles/2005/04/13/statoil_shuts_down_oil_drilling_rig (403 words)

	2003 - 06/20/2003 - Drilling Rig Company Cited for Violating Safety Standards Following A Fatal Accident In Quitman, La.
		A moving crane boom carrying a 50-ton mud pump collapsed, due to the muddy, unstable ground, and hit and killed a nearby worker.
		When the accident occurred, the company, which employs about 500 workers nationwide, had about 12 employees working at the Quitman site to relocate an oil/gas well drilling rig to another site.
		A serious violation is one that could cause death or serious physical harm to employees from a hazard about which the employer knew or should have known.
	www.osha.gov /pls/oshaweb/owadisp.show_document?p_table=NEWS_RELEASES&p_id=10258&p_text_version=FALSE (470 words)

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