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Keywords: equation
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Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 5–7, 2024
Paper Number: SPE-217756-MS
... and spooled onto the drum. Equation of Motion for Lateral Fastline Vibrations A general equation of motion for transversal vibrations of a line is given below. It is basically the same equation as presented earlier by Kyllingstad (2017 ). The main difference is that z here denotes the longitudinal...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 5–7, 2024
Paper Number: SPE-217747-MS
... and materials scenario texas utah forge result engineering configuration department oort equation fallah control scenario mape university ashok automated real-time controller downhole temperature control Introduction Currently, automatic control algorithms cannot be employed in practice...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 5–7, 2024
Paper Number: SPE-217744-MS
... and consideration, an issue that this study aims to remedy. The collision avoidance subcommittee of the SPE Wellbore Positioning Technical section has proposed the following calculation as a unified separation factor (SF) rule for estimating the MASD ( Equation 1 ). It is defined in terms of the distance...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 5–7, 2024
Paper Number: SPE-217743-MS
... damage assessment. bit selection trajectory accuracy video drilling conference artificial intelligence algorithm guideline iadc dull robustness equation exhibition cutter information identification drill bit forensic video captured segmentation algorithm iadc spe international...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212469-MS
... upstream oil & gas cement and bond evaluation cement correlation united states government norway government annulus cement permeability international drilling conference microannuli interpretation propagate iadc spe-212469-ms equation cement sheath hypothesis fracture consideration...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212455-MS
... ¯ + u d where C 0 is the distribution parameter representing the ratio of the maximum to mean liquid velocity. The pressure-based segregated algorithm (PRESTO!) is applied to solve the transport equations for the pressure equation. The Pressure Implicit with Splitting of Operators (PISO...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212556-MS
... conference shear rigidity radial displacement fluid loss control norway government log analysis shale effect shear modulus equation drilling conference exhibition example spe iadc international drilling conference spe annual technical conference Introduction A Well will be plugged...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212558-MS
... directly produces an effective tension, while the second one generally called pressure area method produces a true tension that must be further transformed to get the effective tension. These different forms of tensions add even more confusion. By returning to the basic equations of the fluid effects...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212508-MS
... WOB, when RPM and flow rate are also held constant at the same values). Graves et al. (2002) summarized specific energy equations proposed by various researchers. The equation below is derived for mechanical conditions. In this paper, we will discuss the reasons and merits of the modified MSE...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212488-MS
... to determine when to change a drilling bit. Additionally, some approaches estimate the bit status during drilling by using a cutter wear equation ( Bourgoyne and Young 1974 , Warren 1987 , Rashidi et al. 2010 ). Certain approaches employ the concept of specific energy (SE) to address the variation...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 7–9, 2023
Paper Number: SPE-212546-MS
... government fluid loss control drilling fluid property wellbore integrity enhanced recovery solubility correlation equation sbm holdup simulation nitrogen experiment migrate dissolution presented exhibition transition pmcd Introduction Pressurized mud cap drilling (PMCD...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208712-MS
... conference whirl vibration equation Introduction Overview Drilling dysfunction represents wasted energy in the drilling process and is frequently the cause of low rate of penetration (ROP), BHA and bit damage. Drilling dysfunction occurs as a result of the rock cutting process and/or drill...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208729-MS
... depth, cutter wear state, rock drillability, and back rake angle on the normal and contact forces on cutters. Machine learning techniques such as deep learning, nonlinear regression approaches, and genetic algorithms were implemented to fit nonlinear equations to data points. The outcome...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208677-MS
... design top drive surface torque torque excessive breakout torque drill pipe selection torque limit excitation source equation overload rpm breakout torque downhole vibration failure string dynamic drill string vibration Failures encountered during the drilling of 6″ production hole...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208700-MS
... Klever-Tamano ultimate limit state (KT ULS) collapse equation, the industry's most-advanced pipe collapse strength predictor, is provided in API 5C3 Annex F [ 1 ]. The equations are replicated below. (1) P K T = 1 2 ( 1 − H t ) [ ( P e + P y...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208777-MS
... operations, the lack of standardization is having a greater effect on the overall industry. Standardization is becoming more important as the industry moves toward automated drilling and big data analytics. The equations used by all parties must be technically correct, used uniformly, and identified...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208789-MS
... of these subsystems. The subsystems include the equations of the processes in their constituent links (i.e., drillstring, hydraulic line, mud pump, downhole motor, bit, and bit feed mechanism). The nonlinear system of differential equations are solved using numerical methods with appropriate boundary conditions...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208794-MS
...-Source Communities When we speak of "models", we are typically referring one or both of the following: Physical (or Mathematical) Models: These are mathematical representations of natural phenomena. Physical models are derived using the laws of physics, assumed constitutive equations...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 8–10, 2022
Paper Number: SPE-208800-MS
... and cementing axial stress cut depth artificial intelligence constraint simulation upstream oil & gas thickness damage geometry geometry equation casing design burst resistance resistance burst resistance degradation slickline crescent-shaped damage tangential stress cut arc length von...

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