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Topic: Slant drilling


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In the News (Mon 22 Dec 14)

  
  Drilling
Hired by the drilling contractor to supervise a drilling rig and its crews.
The driller is directly responsible for the drilling of the hole: supervising the rig crew, controlling what happens on the rig floor, and running the controls which drill the well.
Usually two per drilling crew, the roughnecks handle the lower end of the pipe when it is tripping out or in.
www.lloydminsterheavyoil.com /drilllaunch.htm   (362 words)

  
  Slant drilling   (Site not responding. Last check: )
Directional drilling (sometimes known as slant drilling outside the oil industry) is a method used in oil drilling for exploration and extraction of crude oil, where the direction of the drill string is forced out of an essential vertical direction.
In modern petroleum engineering, especially in off-shore operations, directional drilling has become the norm rather than the exception, and the path of the drill can be controlled with great precision, and be extended horizontally only limited by the total length of the drill string.
Since slant drilling is very difficult to trace for outsiders of the operation, the technique has frequently been used to steal oil resources from neighbouring oil fields.
www.askfactmaster.com /Slant_drilling   (156 words)

  
  Slant drilling: Definition and Links by Encyclopedian.com
Slant drilling is a method used in oil drilling[?] for exploration and extraction of crude oil, where the direcion of the drill string is forced out of an essential vertical direction.
In modern petroleum engineering, especially in off-shore operations, slant drilling has become the norm rather than the exception, and the path of the drill can be controlled with great precision, and be extended horizontally only limited by the total length of the drill string.
Slant drilling by Kuwait was one of the causes of its invasion by Iraq, and the subsequent Gulf War in 1991.
www.encyclopedian.com /sl/Slant-drilling.html   (173 words)

  
 Slant drilling - TheBestLinks.com - Kuwait, TheBestLinks.com:Find or fix a stub, 1991, Crude oil, ...   (Site not responding. Last check: )
Directional drilling (sometimes known as slant drilling outside the oil industry) is a method used in oil drilling for exploration and extraction of crude oil, where the direction of the drill string is forced out of an essential vertical direction.
In modern petroleum engineering, especially in off-shore operations, directional drilling has become the norm rather than the exception, and the path of the drill can be controlled with great precision, and be extended horizontally only limited by the total length of the drill string.
Since slant drilling is very difficult to trace for outsiders of the operation, the technique has frequently been used to steal oil resources from neighbouring oil fields.
www.thebestlinks.com /Slant_drilling.html   (216 words)

  
 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 height: single drilling rig, double drilling rig, triple drilling rig, and quad drilling rig.
Drilling rigs by position of derrick: conventional drilling rig and slant drilling rig.
www.oilgasdrillingrigs.com   (268 words)

  
 NaturalGas.org
With directional drilling, the offshore rig can gain access to deposits that are not directly beneath the rig, meaning that 20 or more wells can be drilled from a single rig, making it much more cost effective to drill offshore.
The difference between traditional directional or slant drilling and modern day horizontal drilling, is that with directional drilling it can take up to 2,000 feet for the well to bend from drilling at a vertical to drilling horizontally.
The ability of horizontal drilling to reach and extract petroleum from formations that are not accessible with vertical drilling has made it an invaluable technology.
www.naturalgas.org /naturalgas/extraction_directional.asp   (1027 words)

  
 Lift through plug container for slant rig - Patent 5050673
It is common in the drilling of wells to utilize various forms of directional drilling to control the path of a bore hole as it is drilled into the earth.
One technique which has been developed is the use of a slanted drilling rig having a tilted mast, so that the bore hole actually enters the earth's surface at an angle determined by the angle of tilt of the mast.
A slant drilling rig generally designated by the numeral 16 sits on the earth's surface 18 and drills the slanted bore hole 14 through a blowout preventer assembly schematically illustrated as 20.
www.freepatentsonline.com /5050673.html   (3562 words)

  
 News | Gainesville.com | The Gainesville Sun | Gainesville, Fla.   (Site not responding. Last check: )
Directional drilling (sometimes known as slant drilling outside the oil industry) is the science of drilling non-vertical wells.
The next major advance was in the 1970s, when downhole drilling motors (aka mud motors, driven by the hydraulic power of drilling mud circulated down the drill string) became common.
Including a piece of bent pipe (a "bent sub") between the stationary drill pipe and the top of the motor allowed the direction of the wellbore to be changed without needing to pull all the drill pipe out and place another whipstock.
www.gainesville.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=slant_drilling   (1337 words)

  
 ECletter
The hole's wall stability was poor and mud-loss during the operation was too serious to continue the drilling and to maintain the angle at 45 degrees.
In the case of slant drilling, different starting angles of 40 and 60 degrees were considered.
Furthermore, as no slant rig for 2,000 m-class drilling exists in Japan, the cost of its lease from a foreign country should be considered; the cost estimate for transportation only may be as high as US$ 1 million.
hakone.eri.u-tokyo.ac.jp /vrc/usdp/ECletter.html   (1478 words)

  
 New rig design improves drilling efficiency World Oil - Find Articles   (Site not responding. Last check: )
Slant drilling rig technology moved forward in the early 1990s when Precision Drilling Corp., in conjunction with PanCanadian Petroleum Ltd., designed and implemented a new slant drilling rig.
Pad drilling also emerged as a way to minimize environmental impact because it allows multiple-well access to larger areas and targets beneath sensitive areas, such as lakes and towns.
Drilling crews no longer must move tubulars from racks to the catwalk or position them on the rig floor.
www.findarticles.com /p/articles/mi_m3159/is_10_222/ai_79590284?lstpn=article_results&lstpc=search&lstpr=external&lstprs=other&lstwid=1&lstwn=search_results&lstwp=body_middle   (884 words)

  
 The State News - www.statenews.com   (Site not responding. Last check: )
Most state politicians and residents agree slant drilling is unnecessary and unwanted.
Slant drilling may have some small advantages, such as an increase in the Midwest’s oil supply, but these effects will be small compared to potential aesthetic and environmental impacts.
All candidates in the state’s gubernatorial race are opposed to slant drilling and state Sen. Gary Peters, a Bloomfield Township Democrat running for governor, has said he will attempt to push a bill banning slant drilling through the Legislature this week.
www.statenews.com /print.phtml?pk=5583   (280 words)

  
 Slant entry well system and method - Patent 7048049
Slant wells 20 extend from the terminus of entry well bore 15 to the subterranean zone 22, although slant wells 20 may alternatively extend from any other suitable portion of entry well bore 15.
Slant wells 20 are formed in relation to each other at an angular separation of beta degrees, which in the illustrated embodiment is approximately sixty degrees.
Drill string 50 may be inserted randomly into any of a plurality of guide tubes 40 of guide tube bundle 43, or drill string 50 may be directed into a selected joint casing 40.
www.freepatentsonline.com /7048049.html   (8180 words)

  
 Horizontal Drilling | Slant Drilling | Oil and Natural Gas Drilling
Directional Drilling - also called Horizontal, Deviated, or Slant Drilling - is the process of drilling an indirect path to a reservoir that cannot be reached directly beneath the drilling site.
Deviated drilling, also known as slant drilling, is a fairly old method in which it often took up to 2,000 feet for the well to complete the transitional curve from vertical to horizontal.
In an existing field, vertical wells are often re-entered and drilled horizontally to reach those isolated and bypassed reserves.
www.enermaxinc.com /directional-drilling   (494 words)

  
 Michigan Land Use Institute   (Site not responding. Last check: )
The practice of slant drilling to tap oil and gas reserves thousands of feet offshore was virtually unknown to the public until the spring of 1997, when the state Department of Natural Resources quietly leased 200 acres of state-owned bottomland beneath Lake Michigan to Newstar Energy.
Peters, the Democratic sponsor of the proposed state ban on Great Lakes drilling, said he is counting on calls and letters from the public to convince the Republican-controlled Legislature to put politics aside and back his bill.
Drilling under the Great Lakes is "simply not worth the risk of contamination," he said.
www.mlui.org /print.asp?fileid=8121   (931 words)

  
 CHINA STARTS OIL DRILLING   (Site not responding. Last check: )
There are new reports out circulating that Chinese firms are planning to slant drill off the Cuban coast near the Florida Straits, tapping into U.S. oil reserves that are estimated at 4.6 billion to 9.3 billion barrels.
Permission to drill in the refuge, which experts are certain will not present any environmental hazard, has failed by just two votes in the Senate.
The irony is that Chinese drilling could be even more of an environmental hazard since China is not as concerned about or equipped to deal with any potential ecological disaster as a result of a spill, said Craig.
www.americanfreepress.net /html/china_starts_oil_drilling.html   (495 words)

  
 StockHouse.ca : Results for: PD.UN
Precision Drilling also offers 16 mobile top drive units which are suspended from the mast of the drilling rig and are used to rotate the drill string with greater efficiency.
Slant drilling is used to drill several wells from one location, saving the time and avoiding the environmental impact associated with setting up a rig in a number of different locations.
Slant drilling is also being used by Precision Drilling with increasing frequency in support of the steam-assisted gravity drainage method of recovering bitumen from oil sands.
www.stockhouse.ca /comp_info_profile.asp?view=profile&Displaycurrency=&symbol=PD.UN&table=list   (1861 words)

  
 LPFW - Groups Appeal Drilling Plan
The decision allows surface drilling along the boundaries of three Congressionally-designated wilderness areas, the Sespe Condor Sanctuary, and the Hopper Mountain National Wildlife Refuge.
Slant drilling is allowed beneath portions of Sespe Creek and Piru Creek that are eligible for Wild and Scenic River designation.
In analyzing the environmental impacts of the drilling plan, the Forest Service primarily relied on a 13-year-old report to conclude that new drilling would only impact 20 acres of the national forest.
www.lpfw.org /news/0509oilappeal.htm   (719 words)

  
 Great Lakes Moratorium On Oil Drilling Could Be Lifted
The U.S. Army Corps of Engineers is conducting a study on the environmental effects of gas and oil drilling in the Great Lakes.
Slant drilling, also known as horizontal drilling, involves the drilling of a well at an onshore location, typically within 1,000 feet of the lake, straight down and then angled into a deep layer under the lake--down to 4,000 feet deep in the case of Lake Michigan.
Several environmental groups have expressed concern about the slant drilling wells and about pipelines proposed for transporting natural gas proposed to cross Lake Erie, affecting New York and Pennsylvania, and Lake Michigan, affecting Indiana, Illinois and Wisconsin.
www.occupationalhazards.com /News/Article/30030/Great_Lakes_Moratorium_On_Oil_Drilling_Could_Be_Lifted.aspx   (494 words)

  
 Hermosa Beach Battles `Slant' Drilling Plan / Derrick on shore would drill 2 miles out in ocean
Known as directional, or ``slant,'' drilling, the sophisticated technology allows oil companies to drill almost horizontally, tapping petroleum up to two miles away.
Regardless of how President Clinton regulates drilling in federal waters, projects like the one in Hermosa Beach won't be affected as long as they stay within the state's three-mile limit and adhere to state regulations.
Third, the drilling has to be in the best interests of the state.
www.sfgate.com /cgi-bin/article.cgi?file=/chronicle/archive/1998/06/12/MN83038.DTL   (974 words)

  
 [No title]
Vertical drilling involves the construction of a drilling platform in the open lake, with a well drilling straight down.
Slant drilling, also known as horizontal drilling, involves the drilling of a well at an onshore location, typically within 1,000 feet of the lake, straight down and then angled into a deep layer under the lake (3 - 4,000 feet deep in the case of Lake Michigan).
In addition to the proposed, new slant drilling, concerns had also been raised about pipelines proposed for transporting natural gas proposed to cross Lake Erie (New York and Pennsylvania) and Lake Michigan (Indiana, Illinois and Wisconsin).
www.lrd.usace.army.mil /_kd/Items/actions.cfm?action=Show&item_id=1295&destination=ShowItem   (628 words)

  
 Traverse City Record-Eagle - News Story -- www.record-eagle.com
Ask a responsible spokesman for the oil industry if platform drilling is safe and the answer will be "yes." The industry drills from platforms in many places in the world, including the gulf of Mexico and the Canadian side of the Great Lakes.
The oil and gas spokesmen wanted slant drilling because they believed - as they still do - that it was the safest and most effective way to tap into the oil and gas below the lakes.
Slant drilling saved money for the industry and contributed money to the state.
www.record-eagle.com /2001/sep/091901.htm   (715 words)

  
 Alexander's Gas & Oil Connections - US controversy over Great Lakes drilling part of nationwide public reaction
The Michigan proposal calls for "directional" or "horizontal" drilling in which wells are drilled at a slant from shore.
Drilling would "put at risk portions of the world's largest fresh water supply," said mayors of 10 cities, including Chicago and the Canadian communities of Sarnia, Sault Ste.
Gas drilling in the lake began in 1913, and new wells are drilled each year.
www.gasandoil.com /goc/news/ntn13508.htm   (765 words)

  
 Slant drilling focuses on Great Lakes
While environmentalists and residents have raised concerns that if drilling is allowed, breaks or cracks in underground pipes or rock formations would allow oil or natural gas to seep into the Great Lakes, Walter believes the environmental risks of directional drilling have decreased.
Wells are drilled from an onshore tract of land, and once the well bore is several hundred feet below the surface, it is angled to the desired area of the lake bottom.
An additional concern of those opposed to drilling is the potential for large-scale accidents to tourists and other recreational users of the Great Lakes shoreline due to leaks of poisonous gases such as hydrogen sulfide.
www.ur.umich.edu /0102/Dec10_01/10.htm   (515 words)

  
 Slant drilling, - Iraq from the book The CIAs Greatest Hits by Mark Zepezauer
This destructive environment is further exacerbated by the common preference for slant drilling, now dictated by environmental and aesthetic concerns.
The only way to access the potential gas more than two miles deep is by slant drilling from federal land outside of the wilderness.
The only way to access the potential gas more than two miles underground is by slant drilling from federal land outside the wilderness.
xn--igrw10bf5vb0a.com /?q=slant-drilling   (501 words)

  
 Ensign Energy Services Inc.
In addition, Ensign's Canadian drilling rig fleet is configured to accommodate the requirements of the latest drilling technology and processes, such as horizontal and underbalanced drilling technology, slant drilling, and the horizontal re-entry of existing wells.
Champion Drilling specializes in the drilling of shallow natural gas wells in the southern Alberta and southwest Saskatchewan regions of the WCSB.
Ensign Drilling is an industry leader in the provision of specialized drilling services to oil and natural gas exploration and production companies.
www.ensignenergy.com /services/canada/contract_drilling.html   (433 words)

  
 Iraq Accuses Kuwait Of Slant Drilling And Stealing 300,000 Barrels Of Oil Daily
Iraq Accuses Kuwait Of Slant Drilling And Stealing 300,000 Barrels Of Oil Daily
Iraq Accuses Kuwait Of Slant Drilling And Stealing
A US-led international coalition chased Iraqi forces out of Kuwait seven months later.
www.rense.com /general3/slant.htm   (462 words)

  
 Slant drilling focuses on Great Lakes   (Site not responding. Last check: )
While environmentalists and residents have raised concerns that if drilling is allowed, breaks or cracks in underground pipes or rock formations would allow oil or natural gas to seep into the Great Lakes, Walter believes the environmental risks of directional drilling have decreased.
Wells are drilled from an onshore tract of land, and once the well bore is several hundred feet below the surface, it is angled to the desired area of the lake bottom.
An additional concern of those opposed to drilling is the potential for large-scale accidents to tourists and other recreational users of the Great Lakes shoreline due to leaks of poisonous gases such as hydrogen sulfide.
www.umich.edu /~urecord/0102/Dec10_01/10.htm   (515 words)

  
 NETL: News Release -DOE-Funded Technology Improves Directional Drilling Efficiency, Safety
Directional, or "slant," drilling simply refers to drilling non-vertical wells for a variety of reasons, such as accessing a subsurface reservoir at an angle because it lies below an off-limits site or exposing more of the targeted formation to the wellbore.
A rotary system is designed to drill directionally with continuous rotation of the drill pipe from the surface, which eliminates the need to slide the drilling motor along the borehole.
A mud motor uses the hydraulic horsepower of drilling fluids to drive the drill bit, while an MWD system helps the driller monitor various drilling parameters, such as angle and ROP, during drilling.
www.netl.doe.gov /publications/press/2006/tn_robotics.html   (725 words)

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