Benefits of Utilizing a Fully Mechanical Casing Running Tool on a 630 Ton Casing String in Kuwait
- Khaled Saleh (Kuwait Oil Company) | Abdullah Al-Shammari (Kuwait Oil Company) | Nawaf Shadad (Kuwait Oil Company) | Emad Mujahed (Sino Gulf Energy) | Meshari Abdullah Al-Jarid (Sino Gulf Energy) | Douglas G. Smith (Volant Products Inc.) | Chris Della Mattia (Volant Products Inc.)
- Document ID
- Society of Petroleum Engineers
- SPE/IADC Middle East Drilling Technology Conference and Exhibition, 29-31 January, Abu Dhabi, UAE
- Publication Date
- Document Type
- Conference Paper
- 2018. SPE/IADC Middle East Drilling Technology Conference and Exhibition
- 5.3.4 Integration of geomechanics in models, 1.10 Drilling Equipment, 5 Reservoir Desciption & Dynamics, 1.6.10 Running and Setting Casing, 1.10 Drilling Equipment, 6.3 Safety, 2.2 Installation and Completion Operations, 5.3 Reservoir Fluid Dynamics
- benefits, safety, efficiency, mechanical, fatalities
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Casing running has historically been recognized as one of the most inefficient and dangerous processes on drilling rigs. Conventional methods carry with them a substantial equipment and personnel burden. This burden results in lengthy rig up/down times, a crowded rig floor and is often responsible for a variety of injuries and occasional fatalities. Recently, Casing Running Tools are being utilized that reduce equipment and personnel required on the rig, advancing the industry toward a safer, more efficient casing running process.
Casing Running Tools greatly reduce the equipment needed to run casing by incorporating many functions into one tool. Less equipment utilizing more intuitive procedures reduces the amount of rig up and rig down time. Both hydraulic and mechanical tools are currently available to the industry. Hydraulically operated tools require a "Hydraulic Power Unit" (HPU) and an operator on the rig floor to control the CRT's operation. Mechanical tools are more compact, do not require HPU's and place complete control of the tool and the casing running in the hands of the onsite driller. For this reason, a mechanical tool was selected for this string.
This paper will cover the results of the run in terms of tool efficiency, tool efficacy, safety, and TRS footprint. Tool efficiency will be compared between a mechanical casing running tool and conventional methods, in terms of rig-in times and run times. This will include considerations between efficiency at the beginning of a run and expected efficiency gains near the end of the run. Efficacy will be discussed in the context of the tool's ability to satisfy its desired function. This is less directly measured but will include input from rig personnel and measurable components such as connection reports. Arguably the most important benefit will be recognized in equipment and personnel requirements, and this paper will discuss the differences in conventional services and the use of a mechanical CRT using conventional services as the baseline for comparison. The discussion concludes with an outline of the benefits realized by the operator, service-company, and other rig personnel.
This publication reviews the first application of a fully mechanical CRT in Kuwait to run a string of casing with premium threads. This is also the first 630-ton casing string run with a mechanical casing running tool in the Middle East Region.
A newly developed wireless Torque Turn Sub that matches the hoist and torque capacity of the CRT was also used to monitor and record the torque on the premium threads.
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