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Keywords: diameter
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Journal Articles
J Pet Technol 75 (01): 89–91.
Paper Number: SPE-0123-0089-JPT
Published: 01 January 2023
... mode can send data to multiple MSBs simultaneously. The MSB uses an MSP430 chip to manage reading, writing, and erasing of data. The capacity of the memory chip determines the data capacity of the MSB. Currently, the data capacity of one MSB is 1 Mbit. The diameter of the MSB circuit board is 11 mm...
Journal Articles
J Pet Technol 74 (12): 61–63.
Paper Number: SPE-1222-0061-JPT
Published: 01 December 2022
... the cone (Fig. 1b). This reduces the internal diameter of the flowline around the cone and causes the differential pressure to move into the measurable range. The meter then uses the differential pressure to again produce accurate flow measurements. In addition, the meter has a second differential pressure...
Journal Articles
J Pet Technol 73 (07): 18–21.
Paper Number: SPE-0721-0018-JPT
Published: 01 July 2021
... oil & gas jpt horton counterweight diameter proppant fracture A line of perforations along the top of the casing imaged after fracturing using ultrasound. Source: DarkVision Technologies. Getting Your Perforations in a Line Can Mean More-Productive Fracturing Stephen Rassenfoss, Emerging...
Journal Articles
J Pet Technol 73 (06): 42–43.
Paper Number: SPE-0621-0042-JPT
Published: 01 June 2021
... the liability of obsolete equipment. The authors write that, ultimately, BOPs will need to cut 175-grade CT strings with a 7-mm wall thickness with 103 MPa of wellbore pressure and less than 17.2 MPa hydraulic pressure. Development Process Initially, the following five options were considered: - Larger-diameter...
Journal Articles
J Pet Technol 73 (06): 49–50.
Paper Number: SPE-0621-0049-JPT
Published: 01 June 2021
...-hole diameters were used. The experiment began with the lowest inlet pressure, which gradually was increased to the maximum pressure. The outlet pressure was kept constant at an ambient pressure. The flow rate increased because of the increase in differential pressure. After reaching the maximum...
Journal Articles
J Pet Technol 73 (05): 63–64.
Paper Number: SPE-0521-0063-JPT
Published: 01 May 2021
... spiderweb-like network low shear rate drilling fluid property drilling fluid formulation mechanism diameter wellbore pressure management annular pressure drilling concentration optimal concentration rheological parameter drilling fluid chemistry herschel-bulkley k-parameter cuttings-carrying...
Journal Articles
J Pet Technol 72 (11): 41–44.
Paper Number: SPE-1120-0041-JPT
Published: 01 November 2020
... measurement drilling operation displacement measurement while drilling general attitude drilling data acquisition upstream oil & gas color temperature wellbore tortuosity transversal displacement diameter november 2020 tortuosity diameter 4 representation mwd directional drilling uniform...
Journal Articles
J Pet Technol 72 (11): 74–75.
Paper Number: SPE-1120-0074-JPT
Published: 01 November 2020
... pressure. The results show that the mean slug length initially increases with the distance from the inlet but that this increase slows and the mean slug length typically reaches a value between 20 and 50 diameters at the outlet. At low flow rates, slug-length distributions tend to be extremely wide...
Journal Articles
J Pet Technol 72 (10): 26–29.
Paper Number: SPE-1020-0026-JPT
Published: 01 October 2020
... is useful because most often those dealing with the problem will never know more about the damage than the inner diameter of the casing has been narrowed - ovalized is the popular term for it - and that they need to find a smaller-diameter tool to get past the obstacle. Eric Davis, the global completions...
Journal Articles
J Pet Technol 72 (08): 55–56.
Paper Number: SPE-0820-0055-JPT
Published: 01 August 2020
... where the combination of oil-based-mud systems and small wellbore diameters (approximately 6 in.) at the target zones are the only way to minimize wellbore-stability problems. Data acquisition is also challenged because logging-while-drilling technologies are sometimes limited in small wellbores...
Journal Articles
J Pet Technol 72 (07): 60–61.
Paper Number: SPE-0720-0060-JPT
Published: 01 July 2020
... on extruded HDPE pipe sec- tions in simulated Casabe-field-flowline conditions, a pup joint with a 3.5-in. out- side diameter with HDPE liner was eval- uated under simulated downhole high- pressure/high-temperature (HP/HT) conditions. For these tests, 20-cm sections of the HDPE-lined pup joint were immersed...
Journal Articles
J Pet Technol 72 (03): 64–66.
Paper Number: SPE-0320-0064-JPT
Published: 01 March 2020
.... Expandable Technology Expandable technology provides operators an alternative to conventional liner hanger and packer systems that typically use slips and cone components configured on the outer diameter of a hanger body that require translation of the slips onto the cone for installation of the liner hanger...
Journal Articles
J Pet Technol 72 (01): 26–32.
Paper Number: SPE-0120-0026-JPT
Published: 01 January 2020
... the completion, it suddenly stops 1,000 ft to 5,000 ft short of its target. This could happen in the bend, or it could be somewhere deep in the lateral. Often the deformation is described as ovalling. If a restriction consumes much more than a tenth of an inch of the pipe’s original internal diameter...
Journal Articles
J Pet Technol 71 (09): 91–92.
Paper Number: SPE-0919-0091-JPT
Published: 01 September 2019
.... Flowline diameters have usually been in the range of 10–12 in. 1 9 2019 1 9 2019 1 9 2019 1 9 2019 2018. Offshore Technology Conference flowline functionality multiphase deepwater field controls and umbilicals progressively production system operator upstream oil...
Journal Articles
J Pet Technol 71 (06): 56–57.
Paper Number: SPE-0619-0056-JPT
Published: 01 June 2019
..., The Woodlands, Texas, USA, 26 27 March. The paper has not been peer reviewed. JPT JUNE 2019 The fish scaling indicates that the LPM is not formed only by one slippage be- tween the CT string and gripper block. Vibration is one reason for LPMs; an- other is CT-diameter growth as the CT is bent and straightened...
Journal Articles
J Pet Technol 71 (02): 40–41.
Paper Number: SPE-0219-0040-JPT
Published: 01 February 2019
... environments. With start-up funds from Statoil, BP, and Shell, we first developed the foundation for our technology. In 2005, the first successful laboratory image was taken through mud. Two years later in 2007, a prototype 4m long and 9 in. in diameter was run in the Ullrigg test well just outside Stavanger...
Journal Articles
J Pet Technol 70 (07): 56–57.
Paper Number: SPE-0718-0056-JPT
Published: 01 July 2018
..., this contact area is de-fined by an outer seal diameter and the port diameter. The contact area is an annular ring on the surface of the port where neither production nor annulus pressure is acting. The width of this area changes with the valve-dome pressure, strength of port material, port size, and lap band...
Journal Articles
J Pet Technol 70 (06): 66–67.
Paper Number: SPE-0618-0066-JPT
Published: 01 June 2018
... wormholes adjacent to the primary tunnels is shown in Fig. 1. Many different methods are used to form small-diameter lateral branches from a parent wellbore. The methods are differentiated by characteristics such as requirements for workover rigs, CT rigs, and deflector shoes for tunnel initiation; acid use...
Journal Articles
J Pet Technol 70 (02): 70–71.
Paper Number: SPE-0218-0070-JPT
Published: 01 February 2018
... water, and the average pore-throat diameter of the formation. If the particles are larger than the average pore-throat diameter of the formation, then the particles cannot penetrate the pores. As a result, an external filter cake with permeability lower than that of the formation will form (Fig. 1a...
Journal Articles
J Pet Technol 69 (06): 77–79.
Paper Number: SPE-0617-0077-JPT
Published: 01 June 2017
... obtained by means of a physical mapping, taking 10 measurements in the longitudinal direction and five in the circumferential direction to calculate the average thickness, average diameter, and initial imperfections (ovalization and eccentricity) of each specimen. Material Properties. The mechanical...

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