... can lead to non-productive time. However maintaining low viscosity profile for a drilling fluid can pose a dual challenge in terms of maintaining effective hole-cleaning and barite-sag resistance. This paper describes the formulation of 95pcf medium-density organoclay-free invert emulsion drilling...

... bha upstream oil & gas bha element bha new solution construction pdm efficiency rotation construction time btc thread drilling well construction drilling operation drilling fluid drilling technology actual challenge directional drilling society of petroleum engineers Drilling...

... with drilling fluid for additional weight to provide some additional push to overcome residual drag. This article outlines unique practices of selective flotation technique covering the job specific features, its main risks and corresponding mitigation measures. The selective flotation or "mud over air...

... drilled wells, the requirements for equipment, the choice of drilling fluid density and the applied engineering solutions were formed. The goals and objectives of the project are outlined and the conditions in the process of drilling the section are presented, technological schemes and procedures...

... Abstract One of main drilling challenges in the Yurubcheno-Tokhomskoye field is fluid losses. In particular, the requirement of a drilling fluid with minimal mud weight to minimize risks associated with fluid losses when drilling overbalanced, enabling drilling through salt intervals...

... Abstract Currently, part of the Eastern Siberia fields is transforming to the latest step of the extraction process by slowly depleting the payzone with intensive production and turning it into an unconventional resources oilfield. In such a case, formation drilling fluid quality is part...

... Abstract The drilling fluid properties are critical for drilling parameters such as ECD (equivalent circulating density), surge and swab pressures and hole cleaning properties. To be able to optimize drilling parameters and improve drilling efficiency also the drilling fluid must be at optimum...

... of porosity, acoustic properties, ultimate strength for uniaxial compression, and static Young's modulus at different samples saturation are made. Studies of the elastic-strength properties of the samples are performed after 48 and 168 hours soaked in the drilling fluids. According to the study, the relative...

... and technological solutions, equipment and materials for drilling and completion, that was applied in past. Because of the positive experience of the applying a new equipment types for bottom hole assembly, drilling fluids, survey technologies during the drilling, multi-stage fracturing, it was actual return to 3...

... proportion of drilling mud in the salt-gypsum layer is optimized by establishing the bore shrinkage equation and using the layer control method to determine the pressure of the salt-gypsum layer. After that, the unsaturated saturated brine drilling fluid system compatible with the salt rock layer...

... perennially absorption eastern siberia complex approach complication construction casing design drilling fluid composition gypsum cement mixture society of petroleum engineers Introduction Most oil fields developed in the areas of Eastern Siberia, in the upper part of the geological section...

... is particularly acute more than ever. In this article are provided the results of complex approach to well construction with cost minimization in complicated mining and geological conditions, developed by a Branch of LLC LUKOIL-Engineering "PermNIPIneft" in Perm. reservoir geomechanics drilling fluid...

... and drill bits that specially designed for the specific technology and application were used to achieve objectives for drilling campaign. Drilling fluid properties were optimized to fit the desired equivalent circulation density and for formation damage control. The latest development of a motorized push...

... Artificial Intelligence RSS Upstream Oil & Gas Efficiency Achimov formation Directional Drilling drilling fluid selection drilling operation rotary steerable system BHA application deposit optimization Achimov deposit construction time horizontal section drilling regime...

... presents the results of the determination of key parameters geomechanical model, calculated the wellbore stability, issued recommendations on the selection of the density of the drilling fluid and the most secure well path. Proposed component composition invert emulsion drilling fluids (IEF), designed...

... high-speed telemetry service, multifunction logging-while drilling technologies were used for real time Geomechanics service to prevent costly wellbore stability issues. In addition the combination of rotary steerable technology with customized polycrystalline diamond compact bits and drilling fluid...

... pressure rating drilling operation flowline MPD continuous circulation Drilling separation system nonproductive time SPE Upstream Oil & Gas drilling fluid application penetration differential pressure circulation system operation society of petroleum engineers drilling fluids...

... directional response stickslip rss formation interval rop upstream oil & gas efficiency drilling performance drilling operation drilling fluid enhancement torque spe 158405 assembly reduction instability reservoir application vibration Field Background Eastern Siberia has risen...