... in a rock sample with up to 30-degree inclination and 15-degree azimuth adjustments from the Kickoff Point (KOP). The Norwegian University of Science and Technology (NTNU) won the competition using a fixed bend Bottom Hole Assembly (BHA) and a simulated mud-motor stator with a rod inside the drill pipe...

... measures were executed, including shutting in high-risk wells, evaluating current and offset wellbore conditions, and selecting the most appropriate drilling tools. A custom drill bit was designed to provide the bottomhole assembly (BHA) control necessary to help minimize damage to the outside casing...

...) and the OWC. Field objectives included achieving optimal well landing, identifying the moveable oil in situ, mapping the hydrocarbon-bearing reservoir, and identifying the hydrocarbon type (oil or gas) along the wellbore trajectory. To address the challenges, an integrated drilling bottomhole assembly (BHA...

... with interbedded limestone and cemented sand layers. Using a point-the-bit bottomhole assembly (BHA) with a detailed drilling roadmap for every group of formations secured smooth drilling, pull out, and running of the intermediate 14-in. × 13 3/8 in. casing to provide integrity to drill 12 1/4-in. section...

... Abstract Rathole elimination (RHE) BHA comprised of hydraulics and ball-drop underreamer has been used in different North Sea fields. RHE success has been very important for operators in completion, cementing, casing running optimization, and handling contingencies by running intermediate...

... & Gas drilling operation drilling parameter Drilling Challenge Directional Drilling liner cement plug kickoff inclination operational execution BHA torque well profile society of petroleum engineers tortuosity point-the-bit rss stringer ERD well Statfjord Field Field Introduction...

... reliability society of petroleum engineers BHA ccl service whipstock MWD system Grane Field Field testing Introduction Casing exit is a common method to exit existing wellbores in preparation for sidetracking operations. Typically, a whipstock is oriented and set at a pre-determined depth...

... was recently developed jointly by a service company and a major operator, and was field tested offshore Norway. The under reamer, which is fully integrated with the company's existing Rotary Steerable System (RSS) Bottom Hole Assembly (BHA), provides unlimited, on-command activation cycles, optimal placement...

... to access a remote reservoir where challenging drilling conditions presented a number of potential obstacles to achieving the well objectives. Upstream Oil & Gas Directional Drilling SPE Drilling Conference available surface power BHA high specification rig Efficiency drilling operation...

... be estimated afterwards. This parameter can be used as a key decision to determine whether a specific formation is a good candidate for RWD or not. A proper combination of pilot and reamer is absolutely critical to optimize bottom hole assembly (BHA) performance and durability. For many years, a trial...

... operation Froude application limitation drillstring design displacement BHA physical data WOB deformation precise quantification society of petroleum engineers scale model quasi-static deformation Lubinski Introduction Control of the drillstring is essential to successful drilling...

... Abstract Petroleum Development Oman (PDO) “M” gas field provides an unique set of challenges while drilling the 12.25 in intermediate hole section which include severe lateral vibrations, stick & slip, impact damage, limited bit life and low penetration rates. As a result, 3 BHA's were...

... society of petroleum engineers downhole drilling mechanics BHA drilling mechanics hole enlargement modeling Claystone backward whirl planning phase contact point Introduction The typical lithology column for the Gullfaks main field is shown in Fig. 1 . The well design through...

... of the bottomhole assembly (BHA). This paper discusses the fast-track developmental process of the RTFO system as well as quantitative lab and full-scale yard testing. Case histories from three high-temperature deep candidate wells in the Latin American region are presented. Lessons learned from the initial field...