BR9906012A - Actively controlled rotary system and rotary process for drilling wells - Google Patents
Actively controlled rotary system and rotary process for drilling wellsInfo
- Publication number
- BR9906012A BR9906012A BR9906012-4A BR9906012A BR9906012A BR 9906012 A BR9906012 A BR 9906012A BR 9906012 A BR9906012 A BR 9906012A BR 9906012 A BR9906012 A BR 9906012A
- Authority
- BR
- Brazil
- Prior art keywords
- collar
- brake
- drilling
- rotation
- rotary
- Prior art date
Links
Abstract
SISTEMA E PROCESSO ROTATIVO ORIENTáVEL ATIVAMENTE CONTROLADO PARA PERFURAçãO DE POçOS Um sistema de perfuração rotativo orientável ativamente controlado para perfuração direcional de poços tendo um colar de equipamento girado por uma coluna de perfuração durante perfuração de poço. Uma haste de broca tem uma parte superior no colar do equipamento e uma extremidade se extendendo do colar e suportando uma broca de perfuração. A haste da broca é omnidirecionalmente articuladamente suportada intermediária suas extremidades superior e inferior por uma junta universal no colar e é rotativamente acionada pelo colar. Parfa alcançar orientação controlada da broca de perfuração giratória, orientação da haste da broca em relação ao colar do equipamento é lida e a haste da broca é mantida geoestacionária e seletivamente axialmente inclinada em relação ao colar do equipamento durante rotação da coluna de perfuração através de girá-la em torno da junta universal por meio de um mandril de deslocamento que é girado contrário à rotação do colar e sob a mesma frequÙncia de rotação. Uma turbina acionada por fluido de perfuração em combinação com um alternador produz força elétrica que é usada para acionar um motor elétrico. O motor elétrico provê rotação ao mandril de deslocamento com relação ao colar da ferramenta e é servo controlado pela entrada do sinal dos elementos de leitura de posição tal como magnetómetros, sensores giroscópicos, e acelerómetros que provêem sinais de posição em tempo real ao controle do motor. Em adição, quando necessário, um freio é usado para manter o mandril de deslocamento e o eixo da haste da broca geoestacionário, o freio sendo servo controlado por entrada de sinal dos elementos de leitura de posição que provêem sinais de posição em tempo real ao controle do freio. Alternativamente, uma turbina está conectada ao mandril de deslocamento para prover rotação ao mandril de deslocamento com relação ao colar do equipamento e um freio é usado para servo controlar a turbina por entrada de sinal de sensores de posição que provêem sinais de posição em tempo real ao controle do freio.ACTIVELY CONTROLLED ORIENTABLE ROTATING PROCESS AND SYSTEM FOR WELL DRILLING An actively controlled rotary rotary drilling system for directional well drilling having an equipment collar rotated by a drilling column during well drilling. A drill rod has an upper part on the equipment collar and an end extending from the collar and supporting a drill bit. The drill shank is omnidirectionally pivotally supported intermediate its upper and lower ends by a universal joint on the collar and is rotatively driven by the collar. To achieve controlled orientation of the rotary drill bit, orientation of the drill stem in relation to the equipment collar is read and the drill stem is maintained geostationary and selectively axially inclined with respect to the equipment collar during rotation of the drilling column by rotating it around the universal joint by means of a displacement mandrel that is rotated contrary to the rotation of the collar and under the same frequency of rotation. A turbine driven by drilling fluid in combination with an alternator produces electrical force that is used to drive an electric motor. The electric motor provides rotation to the displacement chuck with respect to the tool collar and is servo controlled by the input of the position reading elements such as magnetometers, gyroscopic sensors, and accelerometers that provide real-time position signals to the motor control . In addition, when necessary, a brake is used to maintain the displacement chuck and shaft axis of the geostationary drill bit, the brake being servo controlled by signal input from the position reading elements that provide real-time position signals to the control the brake. Alternatively, a turbine is connected to the displacement chuck to provide rotation to the displacement chuck with respect to the equipment collar and a brake is used to servo control the turbine by input signal from position sensors that provide real-time position signals to the brake control.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9906012-4A BR9906012A (en) | 1999-12-29 | 1999-12-29 | Actively controlled rotary system and rotary process for drilling wells |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9906012-4A BR9906012A (en) | 1999-12-29 | 1999-12-29 | Actively controlled rotary system and rotary process for drilling wells |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9906012A true BR9906012A (en) | 2001-08-07 |
Family
ID=4074278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9906012-4A BR9906012A (en) | 1999-12-29 | 1999-12-29 | Actively controlled rotary system and rotary process for drilling wells |
Country Status (1)
Country | Link |
---|---|
BR (1) | BR9906012A (en) |
-
1999
- 1999-12-29 BR BR9906012-4A patent/BR9906012A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Technical examination (opinion): publication of technical examination (opinion) | ||
B09B | Decision: refusal |
Free format text: INDEFIRO O PRESENTE PEDIDO COM BASE NO ART. 8O EM VISTA DO 13 DA LEI DE PROPRIEDADE INDUSTRIAL NO 9.279 DE 14/05/1996. |
|
B12B | Appeal: appeal against refusal |