ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Summary Culture-based methods of traditional microbiology applied to the microbiological processes involved in souring of oil fields and microbiologically influenced corrosion (MIC) pose a risk of yielding inadequate and contradictory results. Any cultivation step will almost certainly alter the population ...
Abstract In order to obtain the necessary Federal Government environmental clearance for exploration drilling in the Southern Davis Strait area the primary permit holders of this offshore region have in consultation with the Department of Indian and Northern Affairs undertaken a substantial environmental ...
Abstract An underground blowout occurs when formation fluids flow from one subsurface zone to another in an uncontrolled manner. The results range from being indiscernible to catastrophic. An underground blowout can result in minor transfers of fluids that may never be identified or in flow which reaches ...
Summary Three drillstring fatigue failures occurred while drilling two deep wells below 16,500 ft true-vertical depth (TVD) in the US midcontinent region. All the failures occurred across 2°/100 ft- to 3°/100 ft-dogleg severity (DLS) intervals from 6,000 to 8,000 ft. The well conditions (i.e., pipe ...
Abstract It is imperative that a completed well be adequately equipped to fully control the flow of any fluid from the well at all times. Regardless of the nature, size or type of equipment that an operator may be running in or out of the wellbore, the procedure must assure that the wellhead, blowout ...
Summary On Aug. 25, 1980, without warning, a large oil slick in vaded the north and west coasts of Bahrain (Fig. 1). This serious incident was designated a national emergency, and a special high-level government committee was established immediately to handle the response procedure. This paper describes ...
Summary Besides small amounts of suspended oil, oilfield produced water after conventional treatment can contain dissolved organic and ammonium compounds that may preclude its discharge into the ocean because of environmental protection regulations. Two field pilot studies in southern California established ...
Abstract Probably the greatest limitation of the Hot Water Extraction Process (H.W.E.P.) is that it results in the unavoidable formation of huge sludge ponds. Despite many attempts, no technology for ""dry"" tailings production has been commercialized. Several experimental methods of dewatering oilsands ...
Distinguished Author Series articles are general, descriptiverepresentations that summarize the state of the art in an area of technology bydescribing recent developments for readers who are not specialists in thetopics discussed. Written by individuals recognized as experts in the area,these articles ...
Summary Jarring implies heavy loads on the drillstring. The highest load on the drillpipe before jarring is at the rig floor. This paper discusses loads on drillpipe before, under, and after jarring. We show that for most situations, the shock wave from the jar impact does not imply additional load ...
Summary Amoco Production Co. has operated electric submersible pumps (ESP's) in 4 3/4 -in. (12.1-cm) open holes in the Grayburg formation of its Midland Farms Unit, Andrews Dist., since 1977. The Midland Farms (Grayburg) reservoir is a low-pressure [400- to 600-psi (2.8- to 4.1 -MPa) static bottomhole ...
Summary Well control can be an unpleasant experience. In its initial stages the problem often appears unconquerable and weeks can pass without progress. This paper is about the successful abandonment of such an episode of well control, in deepwater (i.e. greater than 300 m water depth), that was initially ...
Summary The work presented in this paper is part of a larger research project which is aimed at finding solutions to problems associated with liquid loading, erosion at pipe bends caused by sand particles, and phase separation. The work uses computational fluid dynamics (CFD) to design solutions that ...
Abstract This paper describes the studies which have been completed to evaluate the oil recovery benefits of a carbon dioxide miscible flood of the Judy Creek Beaverhill Lake ""A"" Pool in Northern Alberta. Subject to all the necessary regulatory approvals, the flood is planned to commence in 1982 ...
Abstract An environmental effects study was undertaken to assess the potential environmental effect of discharged produced formation water from offshore oil and gas platforms in Bass Strait. The focus was on potential effects on the fisheries of Bass Strait. Produced formation water discharged to the ...
Abstract OPTI Canada Inc./Nexen Canada Ltd. (OPTI/Nexen) developed a constraints map for their proposed Steam Assisted Gravity Drainage (SAGD) project near Anzac,Alberta. Constraints mapping is a graphical representation of the suitability of a land area for construction purposes. The objective of ...
SUMMARY AND CONCLUSION Canada's east coast play is worthy of the investor's consideration, as it still affords him the opportunity of participating at a relatively early stage in the area's exploration history. All multi-billion dollar world energy projects contain many inherent uncertainties ...
Abstract Gas production from Alberta's Leduc-age reservoirs, which originally containedmore than 400 Gm3 OGIP, has and will continue to be significant.Estimating recoveries from these bottom-water driven pools has been difficult..Recoverable reserves are dependent upon both the trapped gas saturation ...
Summary. This case history describes relief-well planning and execution for a deep, underground blowout. Key achievements include an innovative relief-well strategy, locating and tracking the target casing with electromagnetic ranging and conventional surveying techniques, and integrating kill pumping ...
Abstract This paper describes an electromagnetic method to facilitate drilling a well to intersect a target well casing. It has an important application in control of blown out oil and gas wells. By this method, a relief well was directionally drilled to intersect the casing of a blowout at 8,000 ft ...