ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Abstract The goal of this work is to change the wettability of a carbonate rock from mixed-wet towards water-wet at high temperature and high salinity. Three types of surfactants in dilute concentrations (<0.2 wt%) were used. Initial surfactant screening was done on the basis of aqueous stability ...
Abstract The Intermountain West Oil and Gas BMP Project (BMP Project) is a collaborative effort of the Natural Resources Law Center and its partners, including the Environmentally Friendly Drilling Program. The BMP Project has developed a comprehensive, free-access, searchable, web-based database of ...
Abstract This paper discusses the prejob research and eventual use of a hydraulic workover (HWO)/snubbing unit for a subsea flowline intervention at the Nansen Spar in the Gulf of Mexico (GOM). Located in a water depth of 3,670 ft (1119 m), the Nansen Spar has been in production since 2002 (Fig. 1). ...
Abstract It is estimated that only 5% of Alberta's CBM reserves are recoverable (Rieb, 2006). A variety of techniques such as horizontal drilling and new fracturing methods have allowed greater recoveries of the methane gas. Alberta Innovates - Technology Futures (formerly the Alberta Research ...
Abstract Currently there are many smaller operators drilling on the Norwegian continental shelf. It is not an optimal use of resources to staff a complete drilling department in-house in all of these companies. For others, the drilling activity requires that wells are drilled in a discontinuous manner. ...
Abstract Recent interest in Chile to develop renewable energy sources has created a new market for drilling contractors with geothermal well experience. The geothermal fields in Chile are unique in that they combine the issues of remote area drilling with additional challenges such as desert conditions, ...
Abstract The purpose of this paper is to document Shell's experiences and learnings in the effort to better track and reduce Green House Gases (GHG) and improve Energy Efficiency in our downstream manufacturing and upstream production operations. The paper is based on Case Studies from various ...
Abstract Water production from hydrocarbon reservoirs is a serious problem in the oil industry. High water cut reduces the economic life of producing wells and costs the industry billions of dollars each year (Curtice and Dalrymple 2004). Throughout the years, several techniques and chemicals have been ...
Abstract In offshore operations where seawater is commonly used to prepare hydrochloric acid, calcium sulfate precipitation, the potential of which can greatly reduce the effectiveness of these treatments. This is because high concentration of calcium produced in spent acid mixed with high level of ...
Abstract Gravel packing, being one of the most reliable and robust downhole sand control techniques, is often the preferred method for establishing sand control. In reservoirs where the pressure has fallen below the water gradient, gravel placement using water based fluid will produce a high overbalance ...
Abstract Water production can reduce or block oil and gas production rates. In addition, the lifting, handling, and disposal of produced water negatively impact the hydrocarbon production economics. Among several techniques for water control, crosslinked polymer systems are the most effective for certain ...
Abstract Ormen Lange is the second-largest gas field in Norway, currently providing 20% of the domestic gas consumption for the UK. As one of the world's largest subsea big-bore gas wells - with production rates up to 350 MMscf/d per well, a 120-km tieback to shore, subzero seabed temperatures and a ...
Abstract Fracturing water-sensitive shale formations with water-based fracturing fluids requires special attention to minimize the destabilization of high-clay-content shale formations. The reaction of water with clay minerals can result in clay swelling, dispersion, and flocculation. Failure to prevent ...
Abstract The development of a sour gas reservoir (7000 ppm H2S and 20-25% CO2) in the Kujung fractured-limestone formation in the Gundih Field, Java, Indonesia faced challenges related to drilling operations that are prone to kick - loss cycles. Well control incidents were experienced on previous wells ...
Abstract Ecosystem based management is today the foundation of international regulatory frameworks for managing the oceans and seas. The approach enables sustainable use of marine goods and services while maintaining good environmental status and preventing subsequent deterioration. However we lack ...
Abstract A new biodegradable member of the chelating family of breaker fluids has been developed for treating oil and gas wells over a wide temperature range in environmentally sensitive locations. The enhanced filter-cake breaker is engineered to achieve improved bio-degradation with reduced toxicity ...
Abstract This paper shares an overview of how OMV was able to achieve environmental excellence in Pakistan in a remote, rural, socio-economically deprived environment. OMV Pakistan operates in a challenging environment in the Sukkur and Khairpur districts of the province of Sindh. Major issues facing ...
Abstract Chemical interactions between CO2/brine/rock can cause formation damage during CO2 injection. These interactions can affect injectivity during EOR operations, as well as affect storage capacity and seal integrity, which are primary concerns during CO2 sequestration. These interactions and the ...
Abstract Petroleum exploration and production (E&P) operations are inherently hazardous and dictate the need for prudent approaches to job planning and execution. Contractors are used extensively to support drilling, construction, and production activities and diligence should be exercised in their ...
Abstract Acrolein (2-propenal) is a highly effective microbiocide and sulfide scavenger that has been commercially available since 1960 and has been widely used in the oil and gas production industry. Acrolein is a liquid product supplied in and applied from specialized containers, eliminating potential ...