Results 11 to 20 of about 53,263 (253)

Application and Trend of Coiled Tubing Digital Operation

open access: yesShiyou jixie
Coiled tubing digital operation technology is the organic integration of coiled tubing technology with computer and internet technologies. It enables data perception, autonomous analysis and automatic control during coiled tubing operations, and plays a ...
Zhang Qian   +6 more
doaj   +2 more sources

Study on helical post-buckling of motional coiled tubing in horizontal wells

open access: yesJournal of Petroleum Exploration and Production Technology
Coiled tubing is widely used in oil and gas operations. However, the long coiled tubing may undergo sinusoidal or helical buckling deformations, and even lock-up, leading to property damage and serious accidents.
Zhuang Li   +3 more
doaj   +2 more sources

Fracture toughness of HSLA coiled tubing used in oil wells operations [PDF]

open access: yes, 2012
Coiled Tubings are thin walled steel tubes of 25-89 mm diameter and thousands meters long, used in the oil industry for production and maintenance services.
Perez Ipiña, Juan Elias   +1 more
core   +1 more source

DEVELOPMENT OF COILED TUBING STRESS ANALYSIS [PDF]

open access: yes, 1998
The use of coiled tubing is increasing rapidly with drilling of horizontal wells. To satisfy all requirements (larger mechanical stresses, larger fluid capacities) the production of larger sizes and better material qualities was developed.
Zdenko Krištafor   +2 more
core   +2 more sources

Coiled tubing units : master's thesis [PDF]

open access: yes, 2018
Savitljivi tubing predstavlja neprekinuti niz cijevi namotanih na bubanj, a koje se koriste u nizu radova vezanih za naftno plinsku industriju. U kombinaciji sa pomoćnom opremom savitljivi tubing predstavlja praktičan, univerzalan i jeftin alat za cijeli
Jukić, Mario
core   +1 more source

Coiled Tubing Safety Manual [PDF]

open access: yes, 1999
This document addresses safety concerns regarding the use of coiled tubing as it pertains to the preservation of personnel, environment and the ...
Crow, W.
core   +1 more source

CFD Simulation in Helical Coiled Tubing

open access: yes, 2017
According to hydrodynamic theory, based on CFD software-Fluent, the simulation for Newtonian fluid flow in helical coiled tubing was carried out to reveal the flow characteristics and pressure gradient of the helical section.
Zhu, Z. Y.
core   +1 more source

Coiled tubing workover : master’s thesis [PDF]

open access: yes, 2018
zadnjih desetak godina broj operacija sa savitljivim tubingom rastao je eksponencijalno te tako čini jedan od najbrže rastućih područja unutar sektora istraživanja i proizvodnje nafte i plina. Prema ICoTA-i (engl. Intervention & Coiled Tubing Association)
Paljušić, Alen
core   +1 more source

Ductile Instability Analysis of HSLA Coiled Tubing [PDF]

open access: yes, 2012
Coiled tubing are thin walled steel tubes of 25 to 89mm diameter and thousands meters long used in the oil industry for production and maintenance services.
Ipiña, J. Perez, Wainstein, J.
core   +1 more source

New Higher-Strength Coiled Tubing Developed to Extend Coiled Tubing Operating Envelopes

open access: yes, 2011
A new high strength coiled tubing grade has been developed to address the demands for improved axial strength, better fatigue performance and the ability to function at higher operating pressures.
C Hargis, W. D. VanArnam
core   +1 more source

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