Smart-control PLC based touch screen driven remote control panel for BOP control unit

• US 20060212134A1
• Filed: 02/22/2006
• Published: 09/21/2006
• Est. Priority Date: 02/24/2005
• Status: Active Grant

• Current Assignee: Sara Sae Private Limited
• Original Assignee: Sara Services & Engineers (Pvt) Ltd.
• Inventors: Dhawan, Samir
• Granted Patent: US 7,539,548 B2
• Time in Patent Office: Days
• US Class Current: 700/3
• CPC Class Codes: E21B 34/16 Control means therefor being outside the borehole control systems for submerged well heads E21B33/0355
• CPC Class Codes: E21B 41/00 Equipment or details not covered by groups E21B15/00 - E21B40/00

Abstract

The present invention relates to a device for controlling the Blow out preventer (BOP) used in well drilling operations comprising: BOP control unit, master control panel connected to the BOP unit for acquisition of data and processing the said data, comprising an input module, an output module and analog I/P module; a plurality of slave panels connected to master panel through the connecting means comprising input module, output module for controlling the BOP control unit; wherein the said slave panel is a programmable logic controller (PLC) for controlling BOP control unit.

Claims

1. A Device for controlling the Blow out preventer (BOP) used in well drilling operations comprising:

BOP control unit, master control panel connected to the BOP unit for acquisition of data and processing the said data, comprising an input module, an output module and analog I/P module;

a plurality of slave panels connected to master panel through the connecting means comprising input module, output module for controlling the BOP control unit;

wherein the said slave panel is a programmable logic controller (PLC) for controlling BOP control unit.

2. The device according to claim 1, wherein the master panel comprises an input module connected on one side to a CPU while the other side is connected to an amplifier for amplifying and processing the received signal.

3. The device according to claim 2, wherein said amplifier is triggered by a signal received through the proximity connected to a selector valve.

4. The device according to claim 3, wherein proximity is a sensor.

5. The device according to claim 1, wherein the output module is connected to the relays for pneumatically controlling the opening and closing of the valve.

6. The device according to claim 1, wherein analog I/P Module placed adjacent to the output module is connected to the pressure transmitter for transmitting hydraulic pressure to the analog I/P Module for processing and transmitting the input.

7. The device according to claim 6, wherein said hydraulic pressure is accumulator pressure or manifold pressure or annular pressure or combination thereof.

8. The device according to claim 1, wherein the said slave panel comprising an input module connected on one side to CPU while the other side to a push button for placing the user input.

9. The device according to claim 8, wherein said slave panel having output module placed adjacent to input module for light indication in case of any failure notice.

10. The device as claimed in claim 1, wherein the touch screen is provided to display the data at the slave panel.

11. The device as claimed in claim 1, wherein said connected means is air link or fiber optics.

12. The device according to claim 8, wherein said slave panel is rig floor master connected with BOP control unit by proximity &

pressure line (Input) and airline (output) and remote panel (slave) with radio link (wire less) or two-wire system or Fiber optic.