ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
The results from recent studies show that some benzophenones (BPs) and their hydroxylated metabolites can function as weak estrogens (E2) in the environment. However, little is known about the structure-activity relationship of these molecules. We have examined the effects of exposure to ten different ...
Abstract Coiled tubing is being utilized to drill new wells, for re-entry drilling to deepen or laterally extend existing wells, and for underbalanced drilling to prevent formation damage. Less than a decade old, coiled tubing drilling technology is still in its inaugural development stage. Initially, ...
Abstract The colonisation of new areas by species from outside the immediate environment is an important natural ecological process. However, human activities are rapidly increasing the number and rate of species introductions worldwide and linking areas that would otherwise be unconnected through natural ...
American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. This paper was prepared for the SPE-European Spring Meeting 1976 of the Society of Petroleum Engineers of AIME, held in Amsterdam, The Netherlands, April 8-9, 1976. Permission to copy is restricted to an abstract of not more ...
Abstract The Orocual field is located in northern Monagas State of Venezuela and is owned and operated by Petroleos de Venezuela, S.A. (PDVSA), the national oil company of Venezuela. This paper presents the results of the geological and geostatistical modeling aspects of an integrated study for the ...
Abstract The Ishpingo-4 and Ishpingo-3 wells were drilled by Petroecuador - Ecuador'sstate-owned company - in the ITT (Ishpingo-Tiputini-Tambococha) field. Thisfield is located in the Yasunà National Park in the Ecuadorian Amazon region,which was declared a World Biosphere Reserve by UNESCO in ...
Abstract The Cold Lake heavy oil development is located in northeast Alberta, Canada. It began commercial operation in 1985 and uses a thermal recovery process called cyclic steam stimulation (CSS). During steaming cycles, the dilation and re-compaction that occur within the reservoir cause the overburden ...
Abstract In the application of hydraulic fracturing of oil and gas reservoirs the objective is to create a conductive pathway for hydrocarbons to flow into the wellbore. This is accomplished by placing into the created fracture a proppant that will prevent fracture closure and provide adequate flow ...
Abstract The development of effective scale squeeze inhibitors in carbonate reservoirs is still a big challenge, especially with the increasing environmental constraints. For tight carbonate reservoirs, formation damage is one of the major considerations as it can be caused due to fines mobilization, ...
Permission to copy is restricted to an abstract of not more than 300 words. Permission to copy is restricted to an abstract of not more than 300 words. Illustrations may not be copied. The abstract should contain conspicuous acknowledgement of where and by whom the paper was presented. Publication elsewhere ...
Abstract This paper presents the results of an in-depth study concerning the composition of produced waters and dispersion in a tropical offshore marine environment. Effluent waters from three outfalls situated in the Java Sea, Indonesia were subjected to a detailed chemical analysis to determine the ...
Abstract This article discusses the production techniques and results obtained by the first two cyclic steam injection wells in the virgin Vaca Tar sand. The two wells drilled by American Petrofina Co. of Texas and partners are located 1,700 ft apart. One well was partially successful before being ...
Abstract This paper will describe a new sand control method used in an area of Ecuador, South America where workover rigs are not readily available. Sand production had been significantly affecting maintenance costs on surface and downhole production equipment and had impacted performance of the downhole ...
Abstract This case-history paper presents accounts of several field applications of a drillable perforating system (DPS) that has been used on 400 jobs in the Gulf of Mexico, with a near-100% success rate. Components of the drillpipe-conveyed system are both drillable and disposable. The aluminum ...
Abstract Six horizontal wells have been drilled in the V Fields reservoirs with a further two wells planned to be drilled in 1992. Several objectives pursued by these wells include, 1) Increasing the probability of penetrating a high permeability sand body in a heterogeneous formation. 2) Increasing ...
Abstract It is usually accepted that wellbore instabilities are caused by either or both an excessive stress concentration at the borehole wall and the chemical reactivity of the formation. Assuming good hole cleaning, common cures for such instabilities are therefore mud density increase and/or change ...
Abstract Horizontal drilling was under consideration for the development of the poorer reservoir quality northern area of a large onshore oil field in Abu Dhabi. This paper presents the case history of two horizontal holes drilled in a pilot well to help evaluate horizontal well performance for development ...
Abstract Combining measurement, simulation, and imaging technologies into an integrated program can help operators achieve the best hydraulic fracture treatment possible. Hydrocarbon production can be significantly increased when fractures are extended to the planned length, and fracturing fluid is ...
Grace, R.D., Grace, Shursen, Moore & Assocs. Inc. IADC and SPE Member Abstract The underground blowout can be the most difficult, dangerous, and destructive situation in well control. If the blowout is shallow, cratering can result and endanger the lives of all involved. The underground blowout is ...
SPE Members Abstract A new polymer, previously evaluated in the laboratory, has been successfully tested to shut off water production in two offshore high temperature gravel packed wells in the Gulf Coast. The polymer is shear resistant, thus easy to handle, and, since it maintains good permeability ...