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Topic: Drilling tower

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Malcolm Bowie

	NaturalGas.org
		Drilling for natural gas offshore, in some instances hundreds of miles away from the nearest landmass, poses a number of different challenges over drilling onshore.
		Drilling offshore dates back as early as 1869, when one of the first patents was granted to T.F. Rowland for his offshore drilling rig design.
		The drilling template, secured to the sea floor and attached to the drilling platform above with cables, allows for accurate drilling to take place, but allows for the movement of the platform above, which will inevitably be affected by shifting wind and water currents.
	www.naturalgas.org /naturalgas/extraction_offshore.asp (2371 words)

	Ocean Confidence -- Elevator World May 2001
		The Ocean Confidence is one of five of the largest semi-submersible offshore drilling rigs in the world and is capable of drilling up to 30,000 feet in a maximum water depth of 7,500 feet.
		The tower and guide rail are vertical for the initial 108 feet and then angle inward for the remaining 80 feet, while the car maintains its upright position as it travels up the inclined tower.
		Tower sections are constructed of structural steel with the vertical members providing a flat-bearing surface on which the car may travel.
	www.elevator-world.com /magazine/archive01/0105-002.html-ssi (1212 words)

	WakeWorld Discussion Board: Tower goodies (Site not responding. Last check: 2007-09-19)
		My tower is powdercoated so I don't want to chip it to badly also I am a bit nervous drilling the top deck as well for fishing the wire into the boat.
		Drill the gelcoat in reverse, tape around all holes in both the tower and boat, might not want to use a center punch on the tower.
		A simple trick for fishing wires through the tower is to use some Kite string and a shopvac, suck the string through the tower with the shopvac then tie the string to the wire and pull through.
	www.wakeworld.com /MB/Discus/messages/3183/386523.html?1162596750 (162 words)

	YourArt.com >> Encyclopedia >> tower (Site not responding. Last check: 2007-09-19)
		Towers are generally built to take advantage of their height and can stand alone or as part of a larger structure.
		Skyscrapers are often not classified as towers, although most have the same design and structure of towers.
		The term "tower" is also sometimes used to refer to firefighting equipment with an extremely tall ladder designed for use in firefighting/rescue operations involving high-rise buildings.
	www.yourart.com /research/encyclopedia.cgi?subject=/tower (408 words)

	PRESS RELEASE ValGold Reports Check Assays Confirm Bonanza Gold Grade and More U-V Drill Results at Tower Mountain, ... (Site not responding. Last check: 2007-09-19)
		The Tower Mountain gold project is located immediately south and west of the Trans-Canada Highway, 40 kilometers west of Thunder Bay in the Matawin gold belt of northwestern Ontario.
		Drill sections, trench geology and sampling maps will be made available as soon as possible on the ValGold website: www.valgold.com.
		The reference grid is oriented NS, EW and the drill holes are at 030 degrees azimuth to that grid.
	www.marketwire.com /mw/release_html_b1?release_id=64883 (1270 words)

	Drilling rig - Wikipedia, the free encyclopedia
		Auger drilling is done with a helical screw which is driven into the ground with rotation; the earth is lifted up the borehole by the blade of the screw.
		This method of drilling is used to drill the weathered regolith, as the drill rig and steel or tungsten blades cannot penetrate fresh rock.
		RAB drilling is used primarily for mineral exploration, water bore drilling and blast-hole drilling in mines, as well as for other applications such as engineering, etc. RAB produces lower quality samples because the cuttings are blown up the outside of the rods and can be contaminated from contact with other rocks.
	en.wikipedia.org /wiki/Drilling_rig (3747 words)

	Arrangement in a pipe handling system - Patent 5244329
		An example of such equipment is a drilling machine for the drill pipe to be rotated, which equipment is connected through a joint to the block taking the form of a wagon which is guided by vertical guide rails.
		The drill block 11 is connected through a joint link 12 with the equipment unit 13, for example a drilling machine for drilling of the drill pipe 14.
		When the drill block 11 with connected equipment 13 is retracted to give space for a new drill pipe section 14', the hydraulic cylinder 19 is activated and will bring the drill block 11 decentralized (sideways) position away from the central area over the drill pipe.
	www.freepatentsonline.com /5244329.html (2641 words)

	Tower Biminis (Site not responding. Last check: 2007-09-19)
		Tower Biminis are designed to give you more shade and space on your boat with no straps or drilling on your boat or tower.
		Tower mounted brackets are powder-coated fl, white, or silver and can also be polished to complement your boat or tower.
		Tower Biminis are made from Sunbrella fabrics, the finest outdoor fabric available.
	www.towerbiminis.com (149 words)

	01_main page (Site not responding. Last check: 2007-09-19)
		Tower Energy Ltd. (“Tower”) has a 25% interest in approximately 20,800 acres in Township 23, Ranges 3 and 4, west of the 5th meridian.
		Drilling logs and cuttings from wells drilled confirm the Horseshoe Canyon/Belly River zones are present on the majority of the Sarcee lands.
		Tower Energy and its partner have undertaken a comprehensive geological mapping and seismic survey, to be followed by drilling a series of wells to test the Horseshoe Canyon and Belly River zones.
	www.towerenergy.ca /index-4.html (897 words)

	HRS Drilling Co., Inc. - D.F. Well Drilling (Site not responding. Last check: 2007-09-19)
		This is what enables us to come in, drill the well, test its water flow, match and install the pump and tank, and complete the job to your satisfaction in the least possible time and at rock bottom cost.
		The drilling tower is transported in the down position until we're ready to drill.
		D.F. Well Drilling also has considerable experience in providing "monitoring" wells that are used to keep tabs on seepage from land fills or industrial areas and to check on contamination of aquifers or underground water supplies.
	www.hrsdrilling.com /df.htm (1217 words)

	RIGZONE - Canadian Natural Resources Sees Strong Results in 1Q06
		In the first quarter we executed a record drilling program in a challenging environment due to unseasonably warm weather and limits in the availability of rigs and services, all the while achieving a 90% overall success rate.
		The results of the drilling program were excellent; however the timing of the drilling and tie-ins has left at the end of the quarter 70 mmcf/d of natural gas unconnected to sales lines when compared to plan.
		During the quarter, the West Espoir drilling tower, which will facilitate development drilling of this reservoir, was installed and the drilling conductors were driven to depth.
	www.rigzone.com /news/article.asp?a_id=31854 (4085 words)

	CNN.com - 'We are approaching the moment of truth' - July 28, 2002
		Drilling is going smoothly, the workers said, and progressing now at a rate of about 30 feet per hour.
		Rig No. 1, which was the first to begin drilling in the early hours of the rescue attempt, continues to be plagued by problems.
		After replacing a broken bit Friday afternoon, drilling resumed last night, only to halt again when the bit ran into unexpected problems and had to be changed several times.
	archives.cnn.com /2002/US/07/27/mine.dawn/index.html (350 words)

	ValGold Intersects High Grade Gold Intervals in the U-V Zones Winter Drill Program at Tower Mountain, Ontario : ... (Site not responding. Last check: 2007-09-19)
		The drilling for the current stage is to in-fill and extend the strike length tested on the U-V gold zone during our fall of 2003 campaign.
		All drill intersections grading greater than 0.5 g/t Au for the first three holes are reported in the table at the end of this release and the locations of the collar sites together with drill sections, trench geology and sampling maps will be made available as soon as possible on the ValGold website: www.valgold.com.
		The drill hole intersected geology very similar to hole 04-03 except where the hole penetrated the well mineralized section at a core depth of approximately 31.5 m and continued in the zone to a depth of 117.0 m.
	press.arrivenet.com /business/article.php/302098.html (1105 words)

	Drilling for Oil
		Down in the hole is the drill bit, a complex rolling bit with three main grinding wheels as shown here.
		The mud is tested often to examine the type of rock being drilled through and to ensure that its physical properties are optimal for keeping the spinning string operating efficiently.
		Once the drill bit has penetrated down close to 30 feet it is time to connect to a new piece of pipe (making a connection at the tool joint).
	www.faculty.fairfield.edu /lsteffen/oil/drillingforoil.html (1527 words)

	New Carquinez Bridge Update and Picture Gallery
		Drilling on the South side of the Strait was finished on March 29
		Twelve borings were drilled for Tower #2 with six borings each for the West and East sides of the tower.
		The twelve borings were each drilled at the center of the proposed pile locations for the South tower.
	www.taberconsultants.com /update.html (99 words)

	RIGZONE - CNR Turns On the Tap At Espoir Field Offshore Cote d'Ivoire
		The second phase of development, which is currently being studied, comprises placing an additional wellhead tower and drilling in the Western lobe of the reservoir.
		This development included the interpretation of seismic, installation of a wellhead tower and pipelines, procurement and construction of the FPSO and commencement of the drilling program.
		A follow-up appraisal well is currently drilling to further define the extent and size of the Baobab prospect.
	www.rigzone.com /news/article.asp?a_id=2573 (477 words)

	Tower - Wikipedia, the free encyclopedia
		To enhance communications: radio mast/tower, lighthouse, light tower, minaret, bell tower, clock tower
		As a symbol: Tower of Babel, The Tower (Tarot card), church tower
		In the United Kingdom, tall domestic buildings are referred to as tower blocks.
	en.wikipedia.org /wiki/Tower (364 words)

	Drilling San Andreas - - science news articles online technology magazine articles Drilling San Andreas (Site not responding. Last check: 2007-09-19)
		The 182-foot-tall drilling tower, brilliant white in the blazing morning light, dominates the tract, which is filled with lab trailers, residence trailers, oceans of dried muck pumped out of the drill hole, and piles of gritty rigging equipment.
		Right after the quake, the drilling crew clambers down from the work platform and sits in the shade while safety inspectors climb the rig to look for cracks.
		The rig, owned and operated by the Nabors Drilling company and previously used to find oil or gas, first bit into the reddish soil here in July 2002, drilling a pilot hole 1.4 miles deep, which was outfitted with a string of seismometers.
	www.discover.com /issues/mar-05/features/drilling-san-andreas/?page=2 (1069 words)

	Ocean drilling tells tales of shorelines past
		Drilling out cores of rocks from holes all along the transect allows the reconstruction of a nearly continuous history of shoreline action.
		A drill rig brings up cores a few meters long; engineers and graduate students hand off the cores for initial examination, photography, and wrapping for shipment to storage at Rutgers or Lamont.
		As a first estimate, proprietary data from holes drilled by Exxon in 1967 established a curve of sea level rises and falls but with nowhere near the accuracy of scientific dating.
	www.columbia.edu /cu/21stC/issue-2.3/krumenaker.html (1862 words)

	Docket No. 13636
		By the complaint, sub-item 1-c was amended to further allege violation of section 6.5 of the ladder code which refers specifically to the originally mentioned "ladder safety device," a protection which may be utilized in lieu of cages.
		Respondent is a member of a drillers' group which had been granted, effective October 17, 1973, a temporary variance from certain fixed ladder requirements on drilling towers.
		In my view, the lack of a cage behind the climber (to restrict the chance of a long fall in the event of a mishap on the ladder) was the most significant of the infractions charged.
	www.oshrc.gov /decisions/html_1977/13636.html (2077 words)

	Apparatus on a drilling tower for gripping a drill casing - Patent 5388652
		During drilling for wells or holes for foundation pilings, the ground formation sometimes will collapse inwardly causing the drill string to become stuck, or the hole to close after the drill sting is removed.
		1 and 2, a drill tower platform is shown generally as 1, with a drill casing bushing 3 connected thereto.
		A pair of casing gripping assemblies 11 and 13 are mounted on the platform 1 adjacent an outer surface of sidewall 5.
	www.freepatentsonline.com /5388652.html (2782 words)

	Dominion E&P Announces Successful Devils Tower Development Drilling Program And Triton Satellite Discovery
		By drilling appraisal wells that can be used as producers we significantly reduced our development cost.
		Two of the five Devils Tower development wells and the Triton discovery were drilled on these additional blocks.
		Both intervals are stratigraphically equivalent to Devils Tower field pays, but are structurally separated.
	www.dom.com /news/ep2002/pr0718.jsp (578 words)

	Gus Pech Mfg. Co., Inc.: manufacturer of earth drilling rigs - 4 inch to ten foot diameter
		These combination drill rigs with their high torque top head are ideal for inside as
		One advantage of the "Mite-E-Mite" Series is the physical size- small, light and compact -which makes it great for tight and confined areas that are sometimes encountered with inside environmental and geotechnical drilling.
		These drill rigs may be mounted on skids, casters, trailers, light trucks, ATV's and/or low profile self propelled carriers.
	www.guspech.com /mite.htm (135 words)

	Discharge from "Eirik Raude" - Hydro
		(Feb. 16, 2005) On February 8 the drilling rig "Eirik Raude" experienced an accidental discharge of so-called green chemicals during the exploratory drilling of the Obelix prospect in the Barents Sea.
		BOP (Blow-out Preventer) fluid is used to operate the BOP valve on the sea bed, and this fluid is normally discharged to the sea when the valves are operated.
		However, one of the measures taken during the drilling operation in the Barents Sea was to modify the BOP to allow the fluid to be returned to the rig when valves are operated.
	www.hydro.com /en/press_room/news/archive/2005_02/raude_spill_en.html (332 words)

	Verticle Radiator
		The four pipes are connected to the tower base with 4/0 copper cable.
		The tower is series fed using a tuner which consists of 4 low pass L networks for 160, 75, 40 and 20 meters.
		The meter is connected to a Bird line section (50 watt slug) at the transmitter end of the transmission line and is used for tuning the L networks.
	harvesting.com /tower/index.htm (445 words)

	Appendice 2 - Inventory of drilling equipment / long lacustrine sequences
		Lake Biwa was drilled by a unique system described by Horie (1987; 1991): a cylindrical drilling pipe engineering method based on the principle of a bottle floating in water.
		The Shelby tube sampler is attached to the drill string in place of a core barrel and is lowered to the base of the borehole and pressed onto the soft material using the drill rig hydraulics.
		Drilling capacities: 200 m in destructive drilling; 110 m with a conventional Mazier or piston corer; 50 m with a wire line corer (up to 110 m in an uncased hole).
	www.pages.unibe.ch /products/pages_reports/contidrill/aaa.html (4800 words)

	Spradling Drilling: Safety
		Spradling Drilling committees our self to ensuring that all applicable regulatory health, safety and environmental protection requirements are complied with and that adequate resources are provided to ensure the health and safety of our employees.
		Spradling Drilling’s goal is zero incidents; however, Spradling Drilling plans, prepares, and trains for any and all potential accident and severity.
		In a cooperative agreement with the Hutchinson County Emergency Operations Center, Spradling Drilling’s radio tower has been outfitted with a propane generator that, in case of power interruption or loss, maintains power for constant communications ability.
	www.spradlinginc.com /?p=safety (503 words)

	WorldOil.com - Online Magazine Article: Special Focus - Apr-2001
		This CTD tower allows fully free-standing, self-supporting operation in a safe working environment while using the injector at a considerable height.
		When used with the new swivel system for the reel, it is possible to set equipment down once and perform service work on multiple wells, eliminating costly rig-up/down procedures, the risk of injury associated with these procedures, and freeing up cranes for other jobs on the platform.
		PPCoN plans to drill two wells in the Ekofisk field to further evaluate CTD technology, with the possibility of using it in the Eldfisk and Tor fields also.
	worldoil.com /magazine/MAGAZINE_DETAIL.asp?ART_ID=1325&... (361 words)

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