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Reamers

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Proceedings Papers

Paper presented at the OMC Med Energy Conference and Exhibition, September 28–30, 2021
Paper Number: OMC-2021-199
... were to minimize the number of additional trips for rat hole enlargement, recording calliper log in each section to run the casing the closest possible to bottom and design drilling BHA to include all the LWD tools together with under reamers tools without affecting the overall BHA downlink capability...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21307-MS
... at the contact points with formation. This study showcases how in geo-mechanically unstable formations, a stabilizer in a rotary steerable system tool can be replaced with a roller reamer technology to reduce stuck pipe events while still delivering steerability objectives. Roller reamers are known to deliver...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19517-MS
... long rat hole as the conventional reamer can only be placed above LWD tools. An additional hole opening trip to minimize rat hole length was not desirable, which in turn leads to concerns of well bore stability due to time exposure as highlighted earlier, as well as increasing potential risk of side...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184645-MS
... Abstract This paper presents and discusses the results of the field application where a new integrated expandable under reamer technology was implemented in the North Sea. An operator faced issues with wellbore stability and equivalent circulating density (ECD) while drilling a 12¼-in. section...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-27316-MS
.... In the new dual-reamer design, radio-frequency identification (RFID) technology provided the capability of activating and opening each underreamer and underreaming with both simultaneously. Wiring through the underreamer below the MWD package connected the rotary-steerable and MWD tools for communication...
Proceedings Papers

Paper presented at the Brasil Offshore, June 14–17, 2011
Paper Number: SPE-143459-MS
...), reamers and synthetic oil-base muds have provided solutions to most of these challenges. This paper presents case histories of two deepwater wells drilled in the GOM. The first case, describes how, after having drilled through a long salt interval, tar was unexpectedly penetrated, requiring sidetracking...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, December 7–9, 2009
Paper Number: IPTC-13978-MS
... of their impact on vibration, directional control and ROP. However, with the increasing use of sophisticated downhole technology including rotary steerable systems (RSS), roller/under-reamers, MWD/LWD and other specific tools, the modeling system has been increasingly applied to address stability issues caused...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 17–19, 2009
Paper Number: SPE-119375-MS
... Abstract Stick-slip and whirl are vibrational problems that commonly limit drilling performance in hard formations and extended reach wells. The introduction of roller reamers has resulted in significant performance improvement in a number of the operator's drill teams with chronic stick-slip...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, February 23–25, 2005
Paper Number: SPE-91929-MS
... applications, operators have looked for methods to reduce the maximum casing size required at the surface while still maintaining the production tubing size to meet project economics. wellbore rotary steerable system concentric reamer mud motor vibration upstream oil & gas hole section pilot...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 22–25, 1995
Paper Number: SPE-30474-MS
.... The reaming process is often fraught with many inefficiencies. This paper describes a technique for simultaneously drilling and reaming with a bi-center reamer run on a stabilized assembly above a pilot bit. The successful use of the technique in three field wells is reported. Introduction The geological...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194060-MS
... For efficient drilling, the reamer should remain under uniform compressive load while drilling and avoid multiple neutral points in the BHA ( Valbuena et al. 2017 ). Adequate measures and modelling should be applied for BHA design to ensure appropriate weight is available for the reamer to remain...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202106-MS
... Abstract The paper will describe a novel approach of deploying casing through a problematic open hole. It involves a drillable hydraulic motorized casing reamer shoe that can rotate freely without aid of pumping, but once resistance is encountered, pump pressure can then be applied to engage...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21825-MS
... & gas tool placement well control annular pressure drilling cutter esr drilling fluids and materials drill string modelling software diameter depleted field petroleum engineer international petroleum technology conference drilling equipment eccentric string reamer bha gulf placement ecd...
Journal Articles
SPE Drill & Compl 35 (03): 329–356.
Paper Number: SPE-200480-PA
Published: 10 September 2020
...Cesar Soares; Miguel Armenta; Neilkunal Panchal Summary Reamers are an integral part of deepwater Gulf of Mexico (GOM) drilling and their performance significantly impacts the economics of well construction. This paper presents a novel programmatic approach to model rate of penetration (ROP...
Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1232
... the reamer and the bit. As a result, bit stick-slip, drillstring vibration and sub-optimal drilling performance are always encountered in reaming while drilling. In this paper, based on Mechanical specific energy (MSE) technology, the specific formation's Confined Compressive Strength (CCS) respectively...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199631-MS
... Abstract Simultaneous hole opening with bit and reamer, based on acknowledged benefits, has become an drilling industry mainstay. Considering Bottom Hole Assembly (BHA) design and compliance requirements, bit and reamer in BHA, and issues with drilling parameters management, the operation...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29783-MS
..., Canada , 27-31 May 2007 new bit design bit selection technology conference cutter drilling drilling parameter durability flow rate bit run subsalt formation dull bit subsalt interval bit design reamer design performance drilling design solution dull condition spe annual...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29959-MS
... Abstract This paper will describe the improvement made to the reamer cutter blocks to enhance its durability and optimize the Pre-salt Well Construction Currently, most of the Brazilian's Pre-Salt wells have the last phase built-in 12.25in. In some situations, it is necessary to drill oil...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19539-MS
... reasoning for the intermediate hole that will require to under ream the hole from 10-5/8" bit to 12-1/4" hole and set 9-5/8" casing OD. Although these under reaming operations are commonly practiced, the technical limitations are still inefficient and compromising. Conventional reamers still have limited...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194161-MS
... to under-reaming operations. The sensors are housed within the expandable cutting structure of the under-reamer and comprises of a cutter block position indicator and a PDC cutting structure wear sensor. The monitoring system can also record downhole dynamics at the under-reamer. The system can therefore...

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