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Keywords: tractor
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Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–23, 2022
Paper Number: SPE-209042-MS
... surface, this eventually leads to helical buckling of the tubing and early lockup where no further progress is made. Advances have been made over the last decade with the development of high-tech downhole CT tractors that deliver a strong pulling force to overcome these frictional forces. Restrictions...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–23, 2022
Paper Number: SPE-209000-MS
... spring jar combine straight-pulling tractor cable tension hydraulic actuator head tension actuator tool Introduction Fishing operations in highly deviated wells are generally limited to coiled tubing or drillpipe, adding to the carbon footprint associated with such operations...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–23, 2022
Paper Number: SPE-209031-MS
... in and out of the well to replace the blades. The blades protrude only slightly from the base pipe to avoid damaging the screen. The screens are separated from the base pipe with standoff to maintain a constant clearance. Thus, the blades cannot damage the screen. well logging tractor signature log...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–23, 2022
Paper Number: SPE-209010-MS
... Electric wireline tractors are a mature technology that has been commercially available for over twenty-five years ( Buchanan et al. 2015 ) and has proved to be an adequate replacement for coil tubing and pipe conveyance with a more efficient methodology using a smaller and less carbon-intensive...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–23, 2022
Paper Number: SPE-208987-MS
...New Stroker Development More recently the entire range of tractor conveyance and powered mechanical intervention services has been transformed through the application of new electronic and hydraulic developments. This has been coupled with the extensive use of interconnected sensor...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–25, 2021
Paper Number: SPE-204400-MS
... sleeve shifting job is to deliver the shifter module less than 20 ft away from the sleeve profile with help of the wireline cable or tractor. Depending on the direction used for seeking the profile, the shifter should be positioned above or below the sliding sleeve. Delivering the shifter is achieved...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–25, 2021
Paper Number: SPE-204432-MS
... these ERWs is further complicated by constraints in the completion where electrical submersible pumps (ESPs) are installed including a 2.4" bypass section. Although hydraulically powered coiled tubing tractors already existed, a slim CT tractor with real-time logging capabilities was not available...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–25, 2021
Paper Number: SPE-204449-MS
..., and ultimately increased costs. This led to the development of electrohydraulic tractor devices that would be added to the electric line toolstring, powered via the same means as the logging tools. The tractor would be sequentially activated in the well at the depth where the deviation meant gravity feed...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199830-MS
... Fig. 4 is an example of a downhole e-line deployed and powered electrohydraulic tractor used to convey an e-line toolstring. At the present day tractors come in a variety of sizes to meet the dimensions required by the cased or open hole environment in which they are to be run...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199839-MS
... Abstract Until recently, electric line tractor driving speeds have been lying significantly below their true potential, because of elements related to design, working principles and system dynamics. Several case histories from recent electric line tractor conveyance operations illustrate...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199851-MS
... submersible pump (ESP). The ESP completion with minimum restriction of 2.44-in. limits the coil tubing (CT) and downhole tools size. Hydraulically powered CT tractors are an ideal solution to pull the CT to TD ( Saiood et al. 2018 ). The completion minimum restriction only allows for 2-in. CT with 2-1/8...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199871-MS
... Various options were explored to access and stimulate the main bore of the wells in this field. Slim hydraulic tractors were decided upon, as the extended reach tool for Coiled Tubing. Pre-Job Tubing Force Analyses (TFA) were performed for multiple candidate wells to evaluate the predicted reach...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199809-MS
... is required to remove these components if they are no longer working or needed when they are a hinderance to well access or its productivity. This paper presents two case histories of completion component milling operations that were efficiently carried out by applying recent developments in combined tractor...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199861-MS
... The e-line tractor (see Figure 1 ) moves through the interior casing driven by an electric-over-hydraulic pump that powers the wheel sections. The wireline also delivers communication with the tool from the surface and vice versa. Engineers monitoring the tractor's progress on the surface...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 26–27, 2019
Paper Number: SPE-194257-MS
... Unfortunately, wireline tractors have a poor reputation for reliability because their overall design is complex, they have to perform in challenging downhole environments, and they are maintenance intensive. Additionally, there is a significant amount of auxiliary equipment that should be used...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 26–27, 2019
Paper Number: SPE-194262-MS
... in the toolstring to enable independent recovery of the plug and stroker assembly if required. In addition, a memory pressure/temperature gauge was run, which provided further validation of sleeve shifting upon download and analysis. A tractor was used to convey the toolstring across the highly deviated section...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 26–27, 2019
Paper Number: SPE-194267-MS
... to conduct fishing of the plug with e-line based advanced robotic well intervention techniques such as eline miller, tractor and stroker. Unique milling bits were designed and customized for this operation. The milling operation involved multiple runs to target the removal of various parts of the struck lock...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 26–27, 2019
Paper Number: SPE-194268-MS
... lifetime. A not uncommon example is a well where depletion has moved reservoir contacts and re-perforation becomes desirable to maximise recovery. If deviation is high, as in a recent well in the North Sea, a tractor intervention will be required and due to the constraints of a conventional cable...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 26–27, 2019
Paper Number: SPE-194252-MS
... to repeat logging in zones of interest or missing data, the camera provider recommended the logging be performed in "real time" on an electric-line (e-line) tractor. A shop systems integration test of the combined tractor, caliper and camera was performed prior to running in the well. Clear fluid (fresh...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 26–27, 2019
Paper Number: SPE-194259-MS
... reach in these ERW's. Implementation of a CT slim tractor along with fiber-optic enabled cable were applied to overcome the challenges and set a new record for CT reach. CT lockup is the phenomenon that occurs due to friction forces and helical buckling, which limits the CT reach. To tackle...

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