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Keywords: wellbore
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Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 9–10, 2022
Paper Number: SPE-209876-MS
... torque and drag model. A post analysis of casing loads and stresses, considering wellbore tortuosity and centralisation is performed in addition to the effect of 3D orientated casing wear. A post analysis case study is presented to show the resulting effect on axial, burst, collapse and VME safety factor...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 9–10, 2022
Paper Number: SPE-209846-MS
... that will mimic the expected tortuosity along the wellbore. Depending on the directional drilling driving system employed, the trajectory can be smooth or very tortuous with significant additional local doglegs. Overall, the effect of standard tortuosity models on a run-in-hole (RIH) analysis using a stiff string...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 9–10, 2022
Paper Number: SPE-209886-MS
... or formation parameters corresponding to the depth to be drilled, while ignoring the force and motion state of the drilling tool of thousands of meters in the irregular wellbore, which makes it difficult to improve the prediction accuracy of the ROP and can't meet the requirements of drilling parameter control...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, June 8–9, 2021
Paper Number: SPE-201021-MS
... Considering the formation as infinite and ignoring other unknown parameters such as temperature, mud infiltration, based on the assumptions of the model as a 2D static linear elastic problems, the stress state around the wellbore is considered just as the stress state around an elliptical hole...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, June 8–9, 2021
Paper Number: SPE-201001-MS
... drilling conference casing shoe mpd optimization method well control flow rate whp gas influx maximum allowable whp derivative wellbore artificial intelligence variation open hole gas kick technology conference hydrostatic pressure Introduction With the development of oil and gas...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, June 8–9, 2021
Paper Number: SPE-200991-MS
... Generally, once the well is drilled to section TD, then wireline operation is conducted to observe shallow gas pressure and wellbore stability. The section is then enlarged to a 12¼-in section in order to run in 9⅝-in casing. Special lightweight, low temp, gas-tight cement slurry is used...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference, June 8–9, 2021
Paper Number: SPE-201070-MS
... ]. For specific, the concentration and particle size of the bridging agent should be adjusted for each case based on pore sizes of the formation rock. Also, in more recent studies, Salehi et al. (2012) proposed a three-dimensional Finite-Element Model (FEM) for investigating the wellbore strengthening mechanisms...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-190979-MS
... attitude measurements to define the orientation of a ranging system with respect to True North. We apply this technique to two distinct magnetic ranging methods. The first method consists of a solenoid based ranging system. The example shows how this method was used to drill a precisely parallel wellbore...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-190969-MS
... of the volume kick tolerance for shut-in and the volume kick tolerance of well killing increase with wellbore inclination of the highly deviated section, and the highly deviated wellbore or highly deviated wellbore may have a much higher volume kick tolerance than that in vertical wellbore. With other...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191001-MS
.... The successful treatment execution presented in this paper demonstrates the process of cleaning the wellbore for recompletion. Using the STMZ system proved the downhole service tool could be safely tripped back in and out of hole in the same trip following fracture packing of a previously gravel-packed multizone...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191050-MS
... deviations generate bends and kinks in the wellbore, effectively reducing the "pass through" diameter of a given well section and making it more difficult to move a tool string through the well. Understanding this tortuosity limitation is instrumental in helping engineers to better place completion...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191081-MS
... highly sophisticated inversion algorithms gives information on the spatial position of the wellbore w.r.t reservoir boundaries. The remote detection of boundaries up to 20 ft around wellbore, gives us the edge for trajectory forward planning by predicting upcoming structural trend, in other words called...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191075-MS
... operations. A common practice following drilling operations involove filter cake removal operation followed by displacement of wellbore fluids by completion fluid in order to prepare the well for production operations. Presence of drilling fluids in horizontal wells for several weeks is not considered...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191033-MS
... drillpipe wellbore Scenario equation Introduction Background With the increase of deepwater HP/HT drilling campaigns, accurate prediction of circulating temperatures has become essential to efficient drilling practices and sound wellbore design. Subsea wells have casing strings...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191027-MS
... logging sweetspot fracability window evaluation perforation sweetspot fracable zone carbonate sweetspot fracable window TOC log analysis quartz Fracture Optimization mineral wellbore reservoir characterization structural geology Introduction Although a few of different definitions...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191084-MS
... Abstract Insufficient wellbore cleaning prior the cementing job is considered to be the biggest single factor leading to poor zonal isolation results. A mud-spacer-cement program with suitable fluid needs to be carefully engineered for the given wellbore conditions to improve cementing quality...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 27–29, 2018
Paper Number: SPE-191038-MS
... Abstract Objectives and Scope A full-scale test facility is integral during design verification testing of an active Managed Pressure Drilling (MPD) wellbore sealing system as a means to rapidly deploy the technology. The Active Wellbore Sealing System uses a novel sealing element design...

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