RU2006146492A

RU2006146492A - METHOD AND DEVICE OF CONTACTLESS DATA EXCHANGE AND CHARGING BATTERIES OF AUTONOMOUS LOGGING INSTRUMENTS

Info

Publication number: RU2006146492A
Application number: RU2006146492/03A
Authority: RU
Inventors: Михаил Николаевич Якимов (RU); Михаил Николаевич Якимов; Владимир Николаевич Ульянов (RU); Владимир Николаевич Ульянов; Михаил Юрьевич Левченко (RU); Михаил Юрьевич Левченко
Original assignee: Шлюмбергер Текнолоджи Б.В. (Nl); Шлюмбергер Текнолоджи Б.В.
Priority date: 2006-12-27
Filing date: 2006-12-27
Publication date: 2008-07-10
Also published as: RU2338064C1

Abstract

1. Способ бесконтактного обмена данными и заряда аккумуляторных батарей автономных каротажных приборов, согласно которому скважинные приборы с автономной памятью подвешивают на проволоке с возможностью перемещения с помощью лебедки внутри и вне скважины так, что проволока последовательно проходит через лубрикатор, радиопрозрачный переходник и устьевое оборудование, в верхней части связки скважинных приборов устанавливают модуль заряда и телеметрии, перемещают модуль заряда и телеметрии внутрь радиопрозрачного переходника и осуществляют обмен данными между скважинными приборами и внешним считывающим устройством и осуществляют заряд аккумуляторных батарей автономного каротажного прибора.2. Способ по п.1, где посредством индуктивной связи на модуль телеметрии подают команду считывания данных, после которой модуль телеметрии начинает передавать данные из скважинных приборов во внешний блок и наземный компьютер.3. Способ по п.1, где радиопрозрачный переходник выполнен из стеклопластика.4. Способ по п.1, где радиопрозрачный переходник выбирают в 1,5-2,0 раза большей длины, чем длина индуктивной системы.5. Устройство бесконтактного обмена данными и заряда аккумуляторных батарей автономного каротажного прибора, представляющее собой радиопрозрачный переходник, расположенный на проволоке выше связки каротажных приборов, и модуль заряда и телеметрии, расположенный на проволоке в верхней части связки каротажных приборов с возможностью прохождения модуля через радиопрозрачный переходник при движении модуля, где на округлую внутреннюю радиопрозрачную поверхность переходника намотана внешняя обмотка катуш�1. A method for contactless data exchange and battery charge of autonomous logging tools, according to which downhole tools with autonomous memory are suspended on a wire with the possibility of movement using a winch inside and outside the well so that the wire passes sequentially through a lubricator, a radio-transparent adapter and wellhead equipment, in the upper part of the bundle of downhole tools install the charge and telemetry module, move the charge and telemetry module inside the radio-transparent adapter and vlyayut communication between downhole devices and the external reading device and perform a charge auxiliary batteries pribora.2 logging. The method according to claim 1, where, through inductive coupling, a data reading command is sent to the telemetry module, after which the telemetry module starts transmitting data from downhole tools to an external unit and a ground computer. The method according to claim 1, where the radiolucent adapter is made of fiberglass. The method according to claim 1, where the radiolucent adapter is chosen 1.5-2.0 times longer than the length of the inductive system. A device for contactless data exchange and battery charge of an autonomous logging tool, which is a radio-transparent adapter located on the wire above the logging tool bundle, and a charge and telemetry module located on the wire in the upper part of the logging tool bundle with the possibility of the module passing through the radio-transparent adapter when the module moves where the outer coil of the coil is wound on the rounded inner radiolucent surface of the adapter�

Claims

1. A method for contactless data exchange and battery charge of autonomous logging tools, according to which downhole tools with autonomous memory are suspended on a wire with the possibility of movement using a winch inside and outside the well so that the wire passes sequentially through a lubricator, a radio-transparent adapter and wellhead equipment, in the upper part of the bundle of downhole tools install the charge and telemetry module, move the charge and telemetry module inside the radio-transparent adapter and vlyayut communication between downhole devices and the external reading device and perform a charge auxiliary batteries logging tool.

2. The method according to claim 1, where through inductive coupling to the telemetry module, a data reading command is sent, after which the telemetry module begins to transmit data from downhole tools to an external unit and a ground computer.

3. The method according to claim 1, where the radiotransparent adapter is made of fiberglass.

4. The method according to claim 1, where the radiotransparent adapter is chosen 1.5-2.0 times longer than the length of the inductive system.

5. The device for contactless data exchange and battery charge of an autonomous logging tool, which is a radio-transparent adapter located on the wire above the logging tool bundle, and a charge and telemetry module located on the wire in the upper part of the logging tool bundle with the possibility of the module passing through the radiolucent adapter the movement of the module, where the outer winding of the inductor connected to an external reader, and the charge and telemetry module consists of a winding of an inductor and a core located inside the inductor so that the outer winding of the inductor, the winding of the inductor and the core are an induction system.

6. The device according to claim 5, where the inductor is part of the induction system through which the battery is charged and data is exchanged with the downhole tool, and the low-frequency battery charge and high-frequency information signal are mixed in a mixer made on a transformer, winding I which is connected to the industrial network, winding II is connected to the transceiver of the ground unit through an overvoltage protection module, winding III is connected to an external winding and an induction system, the transceiver being connected to the input of a personal computer that stores and processes data read from downhole tools.

7. The device according to claim 5, where the charge and telemetry module includes rechargeable batteries connected to the capacitor block through a charger connected through the rectifier unit to the winding of the inductance coil of the induction system, and the transceiver winding of the second inductor of the induction system is connected to the telemetry block.