Results 31 to 40 of about 186 (124)

Research of the Locating-Sub Hanging Technology for Velocity String

Shiyou jixie, 2019
After workover of low-yield gas wells in Qinghai, the existing velocity string snubbing technology has such problems as requiring additional special hanger, the main valve failed, and the wellhead and operation process needing reconstruction.
付悦, 吕维平, 陈波, 牛燕, 李伟, 张梦麟, 管璐   +6 more
doaj  

Intravenous Smart Pumps at the Point of Care: A Descriptive, Observational Study. [PDF]

J Patient Saf, 2022
Giuliano KK, Blake JWC, Bittner NP, Gamez V, Butterfield R.   +4 more
europepmc   +1 more source

Development Status of Subsea Christmas Tree

Shiyou jixie, 2016
The key to the development of subsea tree is whether it can meet the requirement by the relevant standards and specifications in pressure circulation test, high and low temperature circulation test, load circulation test and external high pressure test ...
Wang Yu, Zhang Junbin, Chen Bin, Li Yong, Hao Xining, Zhang Yugang, Xiao Kaiwen   +6 more
doaj  

Finite element modeling of a metal tubing hanger seal

МОДЕЛИРОВАНИЕ, ОПТИМИЗАЦИЯ И ИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ
службы данного оборудования, закладываемый техническим заданием, может достигать 20 и более лет. Чтобы гарантировать безопасность процесса подводной добычи на всем периоде эксплуатации оборудования, в рамках проектирования важно уделять особое внимание характеристикам герметичности и прочности металлических уплотнений.
openaire   +1 more source

Type Selection and Function Design of Subsea Christmas Tree in Lingshui 17-2 Gas Field

Shiyou jixie, 2018
Subsea Christmas tree is an important equipment for offshore oil and gas development, which is widely used in the development of oil and gas fields. The proper selection of subsea Christmas tree system is of great significance in reducing the initial ...
Jiang Donglei, Li Zhong, Qin Hua, Wang Erjun, Xu Fei, Wang Yingying   +5 more
doaj  

Optimization Analysis of Structural Parameters of Special Metal Sealing for 175 MPa Tube Hanger

Processes
To meet the usage requirements of the wellhead mandrel-type tube hanger of 175 MPa ultra-high pressure, four specially shaped metal sealing structures are selected as the research objects in this paper. The mechanical properties of different metal sealing structures are calculated, respectively, by using finite element software and binary regression ...
Jianfei Wang, Shaobo Feng, Junhui Wei, Kun Li, Lijin Zhu, Zhenyu Jia, Fudong Liu   +6 more
openaire   +1 more source

Desperate times call for desperate measures: An innovative apparatus designed for domiciliary oxygen delivery. [PDF]

Indian J Anaesth, 2021
Singh D, Haldar R, Kannaujia AK, Agarwal A.   +3 more
europepmc   +1 more source

An Inexpensive, High-Fidelity Resuscitative Hysterotomy (RH) Model With Hemorrhage Capability. [PDF]

Cureus, 2022
Palm KH, Lei C, Walsh R, Heimiller J, Sikon J.   +4 more
europepmc   +1 more source

Structural Optimization of Tubing Hanger Half-X-Shaped Metal Seal Assembly Based on Kriging Model

Shiyou jixie
The half-X-shaped metal seal assembly is often used for sealing the annulus between tubing hanger and spool. An improper design of such assembly can affect the reliability of the wellhead equipment， jeopardizing the safety of oil and gas production.
Wang Chunsheng, Ren Yongcang, Feng Shaobo, Ma Junyuan, Zou Guanggui, Peng Jianxin, Zhou Taotao   +6 more
doaj  

Intravenous Smart Pumps During Actual Clinical Use: A Descriptive Comparison of Primary and Secondary Infusion Practices. [PDF]

J Infus Nurs, 2021
Giuliano KK, Penoyer D, Mahuren RS, Bennett M.   +3 more
europepmc   +1 more source