...Yanan Miao; Chaojie Zhao; Gang Zhou Estimating production in coal accurately is crucial for promoting the process of safe, efficient, and green coal mining. It has been gradually recognized that horizontal wells with multiple fractures are employed to develop the coal reservoir, which signifies...

...Kobra Pourabdollah The gradual decline in the oil production rate of water flooded reservoirs leads to decrease in the profit of water flooding system. Although cyclic water injection (CWI) was introduced to reduce the descending trend of oil production in water flooded reservoirs, it must...

...Ahmed M. Gomaa; Andrea Nino-Penaloza; Jennifer Cutler; Saleem Chaudhary Acidizing of carbonate reservoirs is a common technique used to restore and enhance production by dissolving a small fraction of the rock to create highly conductive channels. Literature review reveals that most acidizing...

... 10 2017 01 05 2018 Petroleum engineering Petroleum wells-drilling Production Construction In oil well cementing, ordinary Portland cement (OPC) is used for a variety of operations including abandonment, sidetracking, lost-circulation control, hydraulic isolation, and remedial...

... Metrics for Offshore Oil and Gas Project ,” J. Natural Gas Sci. Eng. , 39 , pp. 44 – 53 . 10.1016/j.jngse.2017.01.022 [22] Kamel , A. H. , 2017 , “ RJD: A Cost Effective Frackless Solution for Production Enhancement in Marginal Fields ,” SPE Eastern Regional Meeting , Canton, OH, Sept. 13...

.... Editor: Ray (Zhenhua) Rui. 13 01 2017 02 04 2018 Petroleum engineering Petroleum wells-drilling Unconventional petroleum Production Construction In the last decade, the number of horizontal wells has risen dramatically in the exploration and development of unconventional...

... NERGY R ESOURCES T ECHNOLOGY . Manuscript received March 30, 2017; final manuscript received October 27, 2017; published online November 28, 2017. Assoc. Editor: Arash Dahi Taleghani. 30 03 2017 27 10 2017 Petroleum engineering Petroleum wells-drilling Production Construction...

...Mahmoud A. Kamel; Salaheldin Elkatatny; Muhammad Faizan Mysorewala; Abdulaziz Al-Majed; Moustafa Elshafei Deviated, horizontal, and multilateral wells are drilled to increase the contact area between the well path and the reservoir and as a result, the well productivity will be increased...

...Si Le Van; Bo Hyun Chon The injection of CO 2 has been in global use for enhanced oil recovery (EOR) as it can improve oil production in mature fields. It also has environmental benefits for reducing greenhouse carbon by permanently sequestrating CO 2 (carbon capture and storage (CCS...

... 2016 14 08 2017 Petroleum engineering Petroleum wells-drilling Production Construction To drill a well in the subsurface, a drill bit is rotated to crush the rocks. The drill bit is connected to the surface with steel pipes known as the drill stem (DS). To provide the necessary...

.... , 2009 , “ Eliminating Non-Productive Time Associated With Drilling Through Trouble Zones ,” Offshore Technology Conference (OTC), Houston, TX, May 4–7, SPE Paper No. OTC-20220-MS. https://doi.org/10.4043/20220-MS [4] Reid , P. I. , and Minton , R. C. , 1992 , “ New Water-Based Muds...

...Bin Wang; Gensheng Li; Zhongwei Huang; Tianqi Ma; Dongbo Zheng; Kui Li Radial jet drilling (RJD) is an efficient approach for improving the productivity of wells in low permeability, marginal and coal-bed methane (CBM) reservoirs at a very low cost. It uses high-pressure water jet to drill lateral...

... Production Construction Filtrate behavior of the drilling fluid affects the permeability of the filter cake. Thin mud cakes, which have low permeability, strengthen the wellbore; however, thick mud cakes may cause operational problems [ 1 – 4 ] such as stuck pipe, excessive torque, drag, and high...

.... , and Woods , A. B. , 1963 , Best Constant Weight and Rotary Speed for Rotary Rock Bits (Drilling and Production Practice), API, New York, pp. 48 – 73 . [3] Hareland , G. , and Rampersad , P. R. , 1994 , “ Drag-Bit Model Including Wear ,” III Latin American/Caribbean Petroleum Engineering...

... of drilling fluids through the extraction process from drilling wells can be used to optimize the extraction performance and reduce pumping cost of drilling mud [ 1 ]. Petroleum engineering Petroleum wells-drilling Production Construction 16 01 2015 23 05 2015 Contributed...

... the production. If there is no restriction in the amount of injection gas available, sufficient gas can be injected into each oil well to reach maximum production. However, the injection gas available is generally insufficient. An inefficient gas allocation in a field with limited gas supply reduces the revenues...

...Jonathan A. Montgomery; Hoi C. Yeung The prediction of slug formation and slug size has a direct impact on the design of topsides separation facilities and flow assurance to the process. The characteristics and stability of liquid production from an S-shaped riser have been studied over a range...