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Well drilling

Technical Innovation of Ultra-Deep Well Drilling Rig and Its Development Trend

Technical Innovation of Ultra-Deep Well Drilling Rig and Its Development Trend

... 8000-meter drilling rig and quadruple joint 9000-meter drilling rig have been developed for ultra-deep and complex wells of the complicated geological structure area in Tarim Basin, ...the drilling ...

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Wellbore Instability in Oil Well Drilling: A Review

Wellbore Instability in Oil Well Drilling: A Review

... Abstract:-Wellbore instability is one of the key problems that engineers encounter during drilling. Often, field instances of instability are a result of a combination of both chemical and mechanical factors, the ...

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MODIFICATION OF NIGERIAN BENTONITE FOR UTILIZATION IN OIL WELL DRILLING OPERATIONS

MODIFICATION OF NIGERIAN BENTONITE FOR UTILIZATION IN OIL WELL DRILLING OPERATIONS

... rotary drilling to perform various functions required in the drilling ...bit. Drilling fluid has changed in the past 5-10 years, some of the challenges to their usage are those related to ...

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A Dynamic Simulation of Annular Multiphase Flow during Deep-water Horizontal Well Drilling and the Analysis of Influential Factors

A Dynamic Simulation of Annular Multiphase Flow during Deep-water Horizontal Well Drilling and the Analysis of Influential Factors

... horizontal well with diesel-based drilling fluid is presented in this ...the drilling fluid due to the gas solution in ...the well has a longer horizontal section, a greater gas influx from ...

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Application of Strong Sealing High-performance Water-based Drilling Fluid in the Horizontal Well of the Missan Oilfield

Application of Strong Sealing High-performance Water-based Drilling Fluid in the Horizontal Well of the Missan Oilfield

... water-based drilling fluid was mainly used to solve the problems of borehole instabilities in mud shale and muddy limestone in the horizontal wells of Missan Oilfield, for solving the problem of sidewall ...

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Socio hydrological perspectives of the co evolution of humans and groundwater in Cangzhou, North China Plain

Socio hydrological perspectives of the co evolution of humans and groundwater in Cangzhou, North China Plain

... 1980s, well drilling was taken as the imme- diate strategy for addressing the drought, which was con- firmed during the emergency meeting of Hebei ...

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Methods and Countermeasures of  Controlling Drilling Cost under New Normal

Methods and Countermeasures of Controlling Drilling Cost under New Normal

... for well-drilling development ...hole drilling technology was successively applied in Qinghai oilfield, the drilling period was shorten by 2 days compared to other drilling technologies ...

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High Performance Water-based Drilling Fluids—A High Efficiency Muds Achieving Superior Shale Stability While Drilling Deepwater Well with HPHT in South China Sea

High Performance Water-based Drilling Fluids—A High Efficiency Muds Achieving Superior Shale Stability While Drilling Deepwater Well with HPHT in South China Sea

... deepwater well drilling operation, and the well application proved that HEM system selected is an excellent alternative to OBM or ...high drilling performance such as shale stability, clay ...

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Mechanism and Distribution of Calcareous Interbeds in Songtao Uplift and Its Periphery of Qiongdongnan Basin

Mechanism and Distribution of Calcareous Interbeds in Songtao Uplift and Its Periphery of Qiongdongnan Basin

... observation, well drilling and logging data, the source of carbonate materials, lithology together with electric properties, types, genesis mechanism and distribution of calcareous interbeds in Songtao ...

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Drilling Wastes Generation and Management Approach

Drilling Wastes Generation and Management Approach

... gas well drilling processes generate large volume of drill cuttings and spent ...during drilling operations and provides systematic approach for pro-active waste management ...in drilling ...

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Application of Lithology Intelligent Identification Method in Geosteering

Application of Lithology Intelligent Identification Method in Geosteering

... Lithology identification refers to the process of recognizing and distinguishing lithology by some specific methods. Accurate identification of lithology is an important indicator for the geosteering to judge the maker ...

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Determination Of Loss Of Liquid From A Mud And Filter Cake Thickness (Pam, Pac, Starch)

Determination Of Loss Of Liquid From A Mud And Filter Cake Thickness (Pam, Pac, Starch)

... Abstract: Drilling is an important part of the oil industry and penetration rate must be enhanced to ensure speedy completion of drilling ...operation. Drilling fluid, or drilling mud, is a ...

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Evaluate the borehole condition to reduce drilling risk and avoid potential well bore damages by using image logs

Evaluate the borehole condition to reduce drilling risk and avoid potential well bore damages by using image logs

... the well (Akbar, ...the well may be indicated! Both these effects are likely to alter the acoustic amplitude log ...appropriate well completion ...in well condition with time after ...and ...

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Optimization Of Drilling Parameters On Surface Roughness In Dry Drilling Process Of AISI D2 Tool Steel

Optimization Of Drilling Parameters On Surface Roughness In Dry Drilling Process Of AISI D2 Tool Steel

... that drilling is one of the most times consuming metal removal process (36% of all machine hours) when compared to turning and milling which accounts for 25% and 26% machining hours ...in drilling process ...

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Time Series Evaluation of Birth Defects in Areas with and without Unconventional Natural Gas Development

Time Series Evaluation of Birth Defects in Areas with and without Unconventional Natural Gas Development

... In order to extract the natural gas held within the Marcellus Shale formation, both horizontal and vertical drilling in combination with hydraulic fracturing is required. Hydraulic fracturing involves the use of ...

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Drilling of γ-TiAl Intermetallic Alloys. Mechanistic Model to Predict Cutting Force and Torque

Drilling of γ-TiAl Intermetallic Alloys. Mechanistic Model to Predict Cutting Force and Torque

... Abstract: Gamma titanium aluminides (γ-TiAl) present an excellent behaviour under high temperature conditions, being a feasible alternative to nickel-based superalloy components in aeroengine sector. However, considered ...

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Comparative experimental investigation and gap flow simulation in electrical discharge drilling using new electrode geometry

Comparative experimental investigation and gap flow simulation in electrical discharge drilling using new electrode geometry

... Discharge Drilling (EDD) ...eral drilling operations were performed on stainless steel 304 using rotary tubular electrodes with circular and side-cut ...geometries. Drilling performance was ...

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Investigation of Drill Bit Temperature during Automatic Bone Drilling

Investigation of Drill Bit Temperature during Automatic Bone Drilling

... the drilling speed at 2000 rpm and increasing the feed rate from 3 to 10 mm/s with incremental increase of 3 ...three drilling procedures, it was noticed that the drilling device stalled during the ...

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Experimental Study of Engineered Cement Plug to Effectively Cure Losses While Drilling in Iranian Oil/Gas Well

Experimental Study of Engineered Cement Plug to Effectively Cure Losses While Drilling in Iranian Oil/Gas Well

... through drilling. Mud losses while drilling leading to cost overruns and HSE concerns, pri- mary cement job failure due to not getting the cement up to the desired height resulting in subse- quent sustained ...

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Development of Film Forming Agent HN 1 and Its  Application in Drilling Fluid

Development of Film Forming Agent HN 1 and Its Application in Drilling Fluid

... of drilling fluid invading borehole wall and petroleum reservoir was the main cause of borehole instability and reservoir ...of drilling fluid invading borehole wall and petroleum reservoir, domestic and ...

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