Technical Papers

Tech Paper: Sourceless Formation Evaluation and Geomechanics While Drilling: A Case History

Optional sourceless porosity tool combination can assist in real-time drilling operations and bypass borehole enlargements A combination of nuclear magnetic-resonance (NMR) and azimuthal acoustic tools has recently become an optional sourceless porosity logging-while-drilling (LWD) tool. This tool combination was used in Kuwait as a part of the bottomhole assembly (BHA) only once before, but this time, we were able to draw a comparison...

Tech Paper: Design Procedure for Cementing Intercalated Salt Zones

Tailoring the right cement design to maintain well integrity across salt zones Wells often require being drilled through and cemented across salt formations. In many parts of the world, salt sections consist of multiple salt types. These include Halite, Carnallite and Tachyhydrite. The last two salt types could move one hundred times faster than Halite and are chemically reactive. Typically, Carnallite and Tachyhydrite...

Tech Paper – Behind Pipe Log Evaluation Study: Deepwater Subsea Abandonments in the Gulf of Mexico

Pipe evaluation techniques can help reduce the cost of removing casing strings during plug and abandonment activities New techniques for well abandonment log evaluations have been under study since 2012 in the Gulf of Mexico (GOM). Legacy practices typically used acoustic methods consisting of cement bond log and ultrasonic scanner devices. The new methods described in this paper consist of adding nuclear sensors...

Tech Paper: Advanced Geosteering Technology Promotes the Accuracy of Well Placement in the Thin Reservoirs of China Mature Oilfield

Safely and efficiently maximize reservoir exposure in mature fields After more than a decade of producing oil from the thick marine sand reservoirs in the HaDeXun oil field in the Tarim basin of western China, focus has shifted to the challenges of drilling thinly laminated reservoirs. To maximize efficiency and production, geosteering services, as well as bottomhole assembly (BHA) and bit optimization, were...

Tech Paper: Development and Field Application of an Innovative, Minimally Damaging, Low-ECD Invert Emulsion Fluid for Enhanced Drilling and Completion of HP/HT Wells

Multi-purpose fluid improves drilling efficiency, reduces cost and minimizes production impairment As known the first application experiment for lifting fluids was conducted in Germany in 1797. Then the idea was developed in 1846 utilized compressed air to lift oil from wells. This paper describes the first field application of a high-pressure/high-temperature (HP/HT) organophilic clay-free invert emulsion fluid (OCF IEF) weighted with small-particle-sized (SPS)...

Tech Paper: Auto-Gas Lift and Smart Well Completion Challenges to Extend Well Life and Running toward Cost Effective Program, Field Case Study

The concept of this completion is to use the gas cap energy from different reservoirs to lift the heavy and high water cut wells As known the first application experiment for lifting fluids was conducted in Germany in 1797. Then the idea was developed in 1846 utilized compressed air to lift oil from wells. In year 1900 the lifting done by compressed air...

Tech Paper: Developments in Sandstone HF Acidizing: HF Fluid Compatible with Na or K Brines and Carbonate-Laden Mineralogy for High Temperatures (360°F)

Aminopolycarboxylic acid chelating agent helps with the removal of mineral buildup in sandstone formations Using hydrofluoric (HF) acid for the removal of clays and silica minerals impairing permeability in sandstone formations requires fluids free of sodium or potassium ions. High temperatures (> 300°F) further limit HF acid use and its effectiveness because of potentially damaging effects to the formation and its corrosivity. This paper discusses...

Tech Paper: Maximizing the Life of the Well Through Successful Cementing Technologies in Thermal Wells

 High-performance thermal self-healing cements prove successful in extreme conditions Reversing the natural process of pressure decline in hydrocarbon deposits and decreasing damage in the sandface caused by drilling, production, etc. are the most significant operator objectives for maximizing the extraction of hydrocarbon reserves. This paper discusses the successful application of cementing technologies in thermal wells to maximize the life of the well. In areas,...

Tech Paper: Intelligent Completions Customized to Meet the Challenges of Malaysia Reservoirs: Work Flow and Case Histories

Improving intelligent completion designs helps operator reduce cost and improve productivity Intelligent well completions (IWC) have been installed in Malaysia since 2003, but only recently has this technology become widely accepted. This acceptance has resulted from recognition of values such as reduced capital cost, improved productivity, and increased ultimate recovery. Initial documentation on IWC capabilities was presented in 2012 (Masoudi et al. 2012)....

Tech Paper: Use of a Salt-Tolerant Friction Reducer Improves Production in Utica Completions

New salt-tolerant polymer helps to improve well cleanup and provide additional benefits to field operations As longer laterals are drilled in the Utica to maximize acreage cover, the stimulation treatments must still establish high pumping rates to effectively treat multiple clusters even within the stages out near the toe area of the lateral. Overcoming this additional pipe friction as well as using various...

Subscribe

Sign up to receive each new post via email.



Delivered by FeedBurner

Recent Posts

Archives