3 ½in. Coiled Tubing Telemetry System Saves Time and Improves Operational Efficiency During a Multi-Well Campaign in Norway
- Diego Blanco (Baker Hughes) | Manfred Sach (Baker Hughes) | Silviu Livescu (Baker Hughes)
- Document ID
- Society of Petroleum Engineers
- SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, 21-22 March, Houston, Texas, USA
- Publication Date
- Document Type
- Conference Paper
- 2017. Society of Petroleum Engineers
- 4.3.4 Scale, 2.3 Completion Monitoring Systems/Intelligent Wells, 1.6 Drilling Operations, 2.3.2 Downhole Sensors & Control Equipment, 2.1.3 Completion Equipment, 2 Well completion, 1.6 Drilling Operations, 2.7 Completion Fluids, 2.7.1 Completion Fluids, 2.2.2 Perforating, 2.2 Installation and Completion Operations, 1.6.1 Drill String Components and Drilling Tools (tubulars, jars, subs, stabilisers, reamers, etc), 1.10 Drilling Equipment
- Coiled Tubing Telemetry, Cleanouts, Perforating, Wireline, Real-Time Monitoring
- 1 in the last 30 days
- 161 since 2007
- Show more detail
- View rights & permissions
|SPE Member Price:||USD 9.50|
|SPE Non-Member Price:||USD 28.00|
A newly-developed 3 ½-in. coiled tubing telemetry (CTT) system has been used for the real-time operational optimization of such coiled tubing (CT) applications as milling, cleanout, logging, and perforation, in an offshore multi-well campaign in Norway.
The CTT system consists of surface hardware and software, a dual-purpose wire inside the carrying CT, and the multi-function bottom hole assembly (BHA). The wire transmits electrical power from surface to the downhole sensors located in the BHA and the downhole data from these sensors to surface. The BHA, designed in one of three sizes (i.e., 2 ⅛-, 2 ⅞-, and 3 ½-in.), contains a casing collar locator (CCL) and two pressure and temperature transducers that are capable to measure downhole data inside and outside the BHA. One of the main advantages of the CTT system is its versatility. For instance, switching between applications is as simple as only changing a certain part of the BHA. This reduces the need to rig-up and rig-down and leads to operational time and cost savings to operators. Another main advantage stems from its real-time downhole data certainty, as the CT field crew can immediately make decisions based on dynamic downhole events.
A few papers have been published recently regarding a similar 2 ⅛ and 2 ⅞-in. CTT systems (SPE-174850, IPTC-18294, SPE-179101, and SPE-183026). In this paper, several case studies are presented for the 3 ½-in. CTT system for the first time. For instance, in the first well, the CTT system helped remove approximately 26,500 lb of scale through a complex wiper trip schedule, effectively preparing the well for re-completion by the main rig. In the second well, the CTT system helped pull all shallow and deep plugs and perforate three intervals in one run. In the third well, the CTT system helped clean out the well, set a plug, and re-perforate it. In addition to successfully performing all these operations, several other benefits resulted due to the real-time downhole data monitoring provided by the CTT system. For instance, the fluid friction reducer (used for reducing the fluid frictional pressure drop) was effectively used at volumes of 70-75% lower than those recommended when the CTT system is not used. Also, all these operations were performed without the need to mobilize most of the wireline and tractor equipment and crew, saving an estimated time per well of six days of wireline logistics and work.
The paper briefly describes the 3 ½-in. CTT system and discusses the data acquired during these field operations. The system performance and operational benefits confirmed are presented. These findings outline the versatility of the 3 ½-in. CTT system, the predictability of successful operations resulting from using this system, and the cost and time savings to operators.
|File Size||1 MB||Number of Pages||13|
Blanco, D., Rahimov, K., Livescu, S. 2016. Coiled Tubing Telemetry System Improvements with Real-Time Tension, Compression, and Torque Data Monitoring. Presented at the Abu Dhabi International Petroleum Exhibition and Conference held in Abu Dhabi, UAE, 7-10 November. SPE-183026-MS. http://dx.doi.org/10.2118/183026-MS.
Garner, L., Vacik, L., Livescu, S. 2016. Operational Improvements with the Expansion of an Intelligent Coiled Tubing System to Include Real-Time Tension, Compression, and Torque Data Monitoring. Presented at the SPE/ICoTA Well Intervention and Coiled Tubing Conference and Exhibition, The Woodlands, Texas, USA, 22-23 March. SPE-179101-MS. http://dx.doi.org/10.2118/179101-MS.
Gorgi, S., Medina, E., Gleaves, J. 2014. Wellbore Monitoring in Carbonate Reservoirs: Value of DTS in Acid Stimulation through Coiled Tubing. Presented at the SPE Abu Dhabi International Petroleum Exhibition and Conference, Abu Dhabi, UAE, 10 – 13 November. SPE-171933-MS. http://dx.doi.org/10.2118/171933-MS.
Khaidir, M., Mokhtar, M., Yuzmanizei Yaakub, M. 2014. Unlocking marginal Field Potential via Fiber Optic Enabled Coiled Tubing Integrated Solutions. Presented at the IADC/SPE Asia Pacific Drilling Technology Conference, Bangkok, Thailand, 25 – 27 August. SPE-170551-MS. http://dx.doi.org/10.2118/170551-MS.
Livescu, S., and Wang, X. 2014. Analytical Downhole Temperature Model for Coiled Tubing Operations. Presented at the SPE/ICoTA Well Intervention and Coiled Tubing Conference and Exhibition, The Woodlands, Texas, USA, 25-26 March. SPE-168299-MS. http://dx.doi.org/10.2118/168299-MS.
Livescu, S., Blanco, D.A., Vacik, L. 2015a. Novel 2 ?-in. Real-Time Downhole Data Monitoring System for Coiled Tubing Operations. Presented at the SPE Annual Technical Conference and Exhibition, Houston, Texas, USA, 28 – 30 September. SPE-174850-MS. http://dx.doi.org/10.2118/174850-MS.
Livescu, S., Blanco, D.A., and Vacik, L. 2015b. 2 ?-in. Intelligent Coiled Tubing System Improves Operational Efficiency. Presented at the International Petroleum Technology Conference held in Doha, Qatar, 7-9 December. IPTC-18294-MS. http://dx.doi.org/10.2523/18294-MS.
Medina, E., Sierra, J., Garcia, A. 2015. Optimization of Matrix Acidizing with Fluid Diversion in Real-Time Using Distributed Temperature Sensing and Coiled Tubing. Presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference and Exhibition, The Woodlands, Texas, USA, 24 – 25 March. SPE-173686-MS. http://dx.doi.org/10.2118/173686-MS.
Ramondenc, P., and Baez, F. 2013. Using Fiber-Optic-Enabled Coiled Tubing to Quantify Fluid Placement and Optimize Stimulation Effectiveness During Matrix Stimulation Treatments in Carbonate Reservoirs. Presented at the SPE European Formation Damage Conference and Exhibition, Noordwijk, The Netherlands, 5 – 7 June. SPE-165121-MS. http://dx.doi.org/10.2118/165121-MS.
Taggart, M., Murray, N., Sturgeon, T. 2010. New Real-Time Data Communication System Enhances Coiled Tubing Operations. Presented at the SPE Annual Technical Conference and Exhibition, Florence, Italy, 19 – 22 September. SPE-134389-MS. http://dx.doi.org/10.2118/134389-MS.
Taggart, M., Murray, N., and Sturgeon, T. 2011. Operational Benefits of Coiled Tubing Enabled With New Real-Time Data Communication System. Presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference and Exhibition, The Woodlands, Texas, USA, 5 – 6 April. SPE-142714-MS. http://dx.doi.org/10.2118/142714-MS.