A Brief Introduction to Coiled Tubing What is it? What do we do with it? Li Gao, PhD Research Department Halliburton

Outline Halliburton Company Coiled Tubing history What is it? Equipment What do we do with it? Applications PE vs. MD

Halliburton Company

Coiled Tubing history

What is it? Equipment

What do we do with it? Applications

PE vs. MD

Funded in 1919 Offers the world's broadest array of products, services and integrated solutions for oil and gas exploration, development and production. $35B market cap, $22B revenue in 2006 Employs 100,000 people in more than 120 countries Halliburton Company

Funded in 1919

Offers the world's broadest array of products, services and integrated solutions for oil and gas exploration, development and production.

$35B market cap, $22B revenue in 2006

Employs 100,000 people in more than 120 countries

CTAT Time Line Coiled Tubing History: Military Origin D-Day, Pluto Project P ipe L ine U nder T he O cean British engineers developed long, continuous pipeline to supply Allied forces Twenty-three 3” pipelines across the English channel 30 to 70 miles long Fabricated from 4000’ sections, Butt welded together

D-Day, Pluto Project

P ipe L ine U nder T he O cean

British engineers developed long, continuous pipeline to supply Allied forces

Twenty-three 3” pipelines across the English channel

30 to 70 miles long

Fabricated from 4000’ sections, Butt welded together

Coiled Tubing History: Military Origin Submarines Antenna Deployment System Developed by Bowen Tool Deployed 5/8” polyethylene antenna to surface from submerged submarine Packer device to seal around antenna Evolved into Coiled Tubing Injector Head

Submarines

Antenna Deployment System

Developed by Bowen Tool

Deployed 5/8” polyethylene antenna to surface from submerged submarine

Packer device to seal around antenna

Evolved into Coiled Tubing Injector Head

1st Coiled Tubing Work in the Oilfield California Oil Company, 1962 Bowen Oil Tool fabricated reel and equipment Reel: 1.315” O.D. Pipe, 50’ sections butt welded, 15000’ total length Used for washing out sand bridges on oil and gas wells

California Oil Company, 1962

Bowen Oil Tool fabricated reel and equipment

Reel: 1.315” O.D. Pipe, 50’ sections butt welded, 15000’ total length

Used for washing out sand bridges on oil and gas wells

Coiled Tubing Unit Tubing Injector Tubing Guide Reel Control House Well Control Equip. Crane Power Pack Stripper

Tubing Steel pipe 1” OD to 3.5” OD Yield strengths of 70,000, 80,000, 90,000, 100,000 psi Relatively thin wall Finite life due to fatigue cycles (bending)

Steel pipe 1” OD to 3.5” OD

Yield strengths of 70,000, 80,000, 90,000, 100,000 psi

Relatively thin wall

Finite life due to fatigue cycles (bending)

Hydraulically powered counter rotating chains Gripper blocks mounted in chain assembly Injector designation based on maximum pull capability, e.g 30K can pull 30,000 pounds Injector

Hydraulically powered counter rotating chains

Gripper blocks mounted in chain assembly

Injector designation based on maximum pull capability, e.g 30K can pull 30,000 pounds

Guides tubing into injector Large radius for best tubing life Tubing Guide (Guide Arch)

Guides tubing into injector

Large radius for best tubing life

Used to store tubing Large radius for best tubing life Level wind assembly to wrap tubing on and off reel Reel

Used to store tubing

Large radius for best tubing life

Level wind assembly to wrap tubing on and off reel

Operator station for unit control Typically mounted behind reel Control House

Operator station for unit control

Typically mounted behind reel

Coiled Tubing: What do we do with it? Uncoiled into live oil and gas wells to perform maintenance operations placement of chemicals cleaning manipulation of mechanical tools milling / drilling logging / perforating

Uncoiled into live oil and gas wells to perform maintenance operations

placement of chemicals

cleaning

manipulation of mechanical tools

milling / drilling

logging / perforating

CT Applications For vertical, horizontal and deviated wells, both on land and offshore: Drilling Logging Perforating Stimulation Fluid displacement Sand control CT conveyed perforating Wellbore cleanout Remedial cementing Setting and retrieving bridge plugs Permanent installations Running packers CT as flowline Removal of wax, hydrocarbon or hydrate plugs Flow control of horizontal and deviated completions Fishing

For vertical, horizontal and deviated wells, both on land and offshore:

Drilling

Logging

Perforating

Stimulation

Fluid displacement

Sand control

CT conveyed perforating

Wellbore cleanout

Remedial cementing

Setting and retrieving bridge plugs

Permanent installations

Running packers

CT as flowline

Removal of wax, hydrocarbon or hydrate plugs

Flow control of horizontal and deviated completions

Fishing

A Comparison between … Sand, hydrates, etc. deposits Cholesterol plaque built up Well intervention Percutaneous Coronary Intervention (PCI) PE’s world MD’s world Well intervention engineer using Coiled Tubing GoFlo® Flow Remediation Service Stenotic coronary arteries Clogged/blocked wellbore/pipeline Interventional Cardiologist Laser Angioplasty

Sand, hydrates, etc. deposits

Cholesterol plaque built up

Well intervention

Percutaneous Coronary Intervention (PCI)

Well intervention engineer using Coiled Tubing

Stenotic coronary arteries

Clogged/blocked wellbore/pipeline

Interventional Cardiologist

Just Need to Shrink the Whole Coiled Tubing System… Call Prof. Wayne Szalinski Inventor of the incredibly powerful Shrinking Machine

Call Prof. Wayne Szalinski

Inventor of the incredibly powerful Shrinking Machine