RU94022471A - A PACKAGE FOR RECEPTION OF PULSATION OF SELF-EXCITING VIBRATIONS OF THE DRILLING STRUCTURE JET AND DRILLING TOOL WITH THIS INSTALLATION - Google Patents

A PACKAGE FOR RECEPTION OF PULSATION OF SELF-EXCITING VIBRATIONS OF THE DRILLING STRUCTURE JET AND DRILLING TOOL WITH THIS INSTALLATION

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Publication number
RU94022471A
RU94022471A RU94022471/03A RU94022471A RU94022471A RU 94022471 A RU94022471 A RU 94022471A RU 94022471/03 A RU94022471/03 A RU 94022471/03A RU 94022471 A RU94022471 A RU 94022471A RU 94022471 A RU94022471 A RU 94022471A
Authority
RU
Russia
Prior art keywords
nozzle
drilling
self
jet
pulsation
Prior art date
Application number
RU94022471/03A
Other languages
Russian (ru)
Other versions
RU2081292C1 (en
Inventor
У.Э. Гриффин
Альмейда С.М. Де
Original Assignee
Палс
Filing date
Publication date
Application filed by Палс filed Critical Палс
Priority claimed from PCT/GB1991/001790 external-priority patent/WO1993008365A1/en
Publication of RU94022471A publication Critical patent/RU94022471A/en
Application granted granted Critical
Publication of RU2081292C1 publication Critical patent/RU2081292C1/en

Links

Claims (1)

Насадка для получения пульсации самовозбуждающихся колебаний струи бурового раствора, используемая в буровом инструменте, например, в монолитном долоте или триконическом долоте для подачи пульсирующей струи тиксотропического бурового раствора во время операций бурения. В насадке выполнено впускное отверстие, сообщающееся с внутренней полостью, и выпускное отверстие, размеры которых выбираются так, чтобы вызвать циклическое распространение возмущений на границе сдвига, образованной между раствором, проходящим прямо через насадку, и раствором, который на мгновение захватывается полостью, тем самым приводя к образованию самовозбуждающегося колеблющегося потока указанного раствора внутри насадки и к образованию быстро пульсирующего потока, выходящего из насадки.A nozzle for producing pulsations of self-excited oscillations of a jet of drilling fluid used in a drilling tool, for example, in a monolithic bit or a triconical bit for supplying a pulsating jet of a thixotropic drilling mud during drilling operations. The nozzle has an inlet communicating with the internal cavity, and an outlet opening whose dimensions are chosen so as to cause a cyclical spread of disturbances at the shear boundary formed between the solution passing directly through the nozzle and the solution that is momentarily captured by the cavity, thereby causing to the formation of self-excited oscillating flow of the specified solution inside the nozzle and to the formation of a rapidly pulsating flow coming out of the nozzle.
RU9194022471A 1991-10-15 1991-10-15 Nozzle for self-excited oscillations of drilling mud and drilling tool with this nozzle RU2081292C1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/GB1991/001790 WO1993008365A1 (en) 1991-10-15 1991-10-15 Pulsation nozzle, for self-excited oscillation of a drilling fluid jet stream

Publications (2)

Publication Number Publication Date
RU94022471A true RU94022471A (en) 1996-02-10
RU2081292C1 RU2081292C1 (en) 1997-06-10

Family

ID=25677184

Family Applications (1)

Application Number Title Priority Date Filing Date
RU9194022471A RU2081292C1 (en) 1991-10-15 1991-10-15 Nozzle for self-excited oscillations of drilling mud and drilling tool with this nozzle

Country Status (13)

Country Link
US (1) US5495903A (en)
EP (1) EP0607135B1 (en)
JP (1) JPH07504722A (en)
AU (1) AU659105B2 (en)
BG (1) BG98770A (en)
BR (1) BR9107323A (en)
CA (1) CA2121232A1 (en)
DE (1) DE69126891T2 (en)
FI (1) FI941741A (en)
NO (1) NO305407B1 (en)
RU (1) RU2081292C1 (en)
WO (1) WO1993008365A1 (en)
ZA (1) ZA927918B (en)

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US9932798B1 (en) 2015-06-16 2018-04-03 Coil Solutions CA. Helix nozzle oscillating delivery system
CN105178870B (en) * 2015-10-08 2018-05-08 自贡金成硬质合金有限公司 A kind of monoblock type hard alloy impulse jet nozzle and its production technology
CN105569595A (en) * 2016-02-25 2016-05-11 中国海洋石油总公司 Hydraulic oscillator
CN106285482A (en) * 2016-10-24 2017-01-04 中国石油大学(北京) Crusher drill in self-excited oscillation pulse enhanced
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US10301883B2 (en) * 2017-05-03 2019-05-28 Coil Solutions, Inc. Bit jet enhancement tool
CN112459755A (en) * 2019-09-06 2021-03-09 中国石油天然气股份有限公司 Pulse jet generator, generating device, water injection and blockage removal integrated tubular column and method
CN110594041B (en) * 2019-09-09 2021-01-05 北京航空航天大学 Self-oscillation nozzle for atomizing granular gel-containing propellant of ramjet engine
CN112974004B (en) * 2021-02-09 2022-08-09 华东理工大学 Jet nozzle for strengthening surface of limited part of aviation component
CN113578487A (en) * 2021-07-23 2021-11-02 北京协同创新食品科技有限公司 Jet flow nozzle
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US11952871B1 (en) * 2023-02-03 2024-04-09 Schlumberger Technology Corporation Methods and systems for stimulation of a subterranean formation using at least one self-resonating nozzle

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