ULTIMO AGGIORNAMENTO BANCA DATI: 13/09/2024 13:00:57
Abstract Through a joint industry project, initiated by the oil industry, a risk based assessment model was developed, enabling quantification of environmental risk from discharges from drilling operations. This tool, applicable for decision support, establishing cost-effective measures for reducing ...
Abstract Nuclear logging while drilling (LWD) methods containing chemical sources of ionizing radiation have become commonplace in the past 15 years. However, introducing radioactive sources into a drillstring's bottomhole assembly (BHA) involves a level of risk greater than similar tools deployed ...
Abstract Pipe recovery is extremely important in modern well intervention programs. Tubing can become stuck in a wellbore for a variety of reasons, requiring the operator to determine the location of the stuck point and to subsequently conduct a back-off or cutting operation. These operations allow ...
SPE Members Abstract The Dome Polycrystalline Diamond Compact (PDC) is a relatively new development in PDC technology. The Dome PDC has a radius of curvature across the diamond table rather than being flat. Previous studies have shown the new design reduces torque and dissipates heat better than the ...
ABSTRACT Iraq is undergoing a period of transition after the overthrow of former regime. This created a vacuum of authority throughout the entire country which has lead to a dangerous security situation, posing serious risks to a range of targets, delaying reconstruction and making it very difficult ...
Sustaining Global Progress - in Partnership with the Environment. Abstract A sustainable development strategy for Marine Fabrication and Decommissioning facilities has been developed and implemented, with the application of environmental programmes; by understanding the effect of the facilities operations ...
Abstract In late 2007, while drilling Chevron's Big Foot #3 Appraisal well in the deepwater Gulf of Mexico, an extremely mobile tar zone was encountered subsalt at ~20,800 ft. Numerous unsuccessful attempts were made to conventionally drill thru the tar to deepen the well. The tar would have to be ...
Abstract Saudi Aramco has successfully used inflow control devices (ICDs) in the past few years to equalize production profile and enhance recovery from new and re-entry horizontal wellbores. This approach was limited to hole sizes of 5-1/2?? hole and bigger. These success results led to working over ...
Abstract Drilling operations for the development of a sour gas reservoir (up to 7,000 ppm H2S and 20-25% CO2) in the Kujung fractured-limestone formation in East Java, Indonesia are prone to kick-loss cycles. Well control incidents have been experienced on two previous wells drilled in the area. Most ...
Abstract History matching production data using finite difference reservoir simulation models has been and will always be a challenge for the industry. The principal hurdles that need to be overcome are finding a match in the first place and more importantly a set of matches that can capture the uncertainty ...
Abstract The paper is an update to the current status of laser drilling technique - the first fundamental change to rotary drilling. We begin with a brief note on history of physical tests in 60's and 70's which were limited by the laser technology and low power available at that time. Seven ...
Abstract This paper discusses how to detect the onset of bit hewing failure before the failure results in a lost cone. It does not attempt to understand the physics of wear. A history of failures was collected for both journal and roller bearing bits from wells where both surface and down-hole mechanical ...
Abstract Shell Exploration B.V. (Guatemala) signed a production sharing contract with the Ministry of production sharing contract with the Ministry of Energy and Mines in November 1990 to explore a 3000 km2 area including Lake Izabal. Halliburton Geophysical Services has been awarded the contract on ...
Abstract Solutions of ionic polyacrylamide polymers behave pseudoplastic in purely viscometric flow. Flow rate, polymer molecular weight and electrolytes affect solution viscosities to a large extent. Equations are given for the viscosity-shear rate relations in a form that can be used conveniently ...
Abstract This paper describes development and testing of a new guide shoe mill (GSM) for intervention fishing services in conjunction with the well construction's drilling hazard mitigation. Primary application of this mill is for milling guide-shoe left in the well by the solid expandable running ...
Abstract In developing the Doris Mannville Coal Bed Methane (CBM) gas field near Fort Assiniboine, Alberta, the Nexen exploitation team encountered many unforeseen artificial lift challenges using Electric Submersible Pumps (ESPs). High failure rates and short pump run times made forecasting of production ...
Abstract In view of low possibility across fractures, low controlled reserve for a single well, fast production decline, poor development performance for conventional horizontal well and directional well in the liaohe buried-hill migmatitic granite reservoir with characteristics of deep buried-depth, ...
Abstract The advent of highly deviated and horizontal well completions has created the need for a new line of service tools that do not rely upon gravity for the setting and retrieving of downhole tools. When using reeled tubing in downhole applications, in particular highly deviated or horizontal ...
Abstract Federal and state permits for North Slope oil development stipulate that sites used for exploration and production operations must eventually be returned to a condition acceptable to the regulating agencies and the landowner. In cooperation with the University of Alaska Fairbanks and regulatory ...
Abstract Regulators outside of the United States either have not set cleanup goals for Total Petroleum Hydrocarbons (TPH) and other chemicals in soil, or they have proposed very low concentrations based on reviews of European and North American regulations. Soil TPH or oil and grease cleanup levels ...