kavi joshi presentation

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Presentation on ‘Force Modeling for Well Interventions’ and Field Training By KAVI JOSHI Summer Intern PE- Well Services Project Guide: ALOK KR. SINGH (PE-WS) Cairn India Summer Intern PE-Well Services: KAVI JOSHI 2013

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Page 1: KAVI JOSHI PRESENTATION

Presentation on ‘Force Modeling for Well

Interventions’ and Field Training By

KAVI JOSHI

Summer Intern PE- Well Services

Project Guide: ALOK KR. SINGH (PE-WS)

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 2: KAVI JOSHI PRESENTATION

OVERVIEW

Project- Force Modeling for Well Interventions using

ORPHEUS (Cerberus)

Coiled Tubing Force Theory

Introduction to ORPHEUS

Coiled Tubing Force Model: Case Study

Field Training

Jobs Visited

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 3: KAVI JOSHI PRESENTATION

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Coiled tubing force theory

Calculate in Segments from bottom

Fig. 1: Bottom of CT Segment in the hole

Page 4: KAVI JOSHI PRESENTATION

Coiled tubing force theory

Real Force vs. Effective Force

Real Force:

Effective Force:

Effective force used in TFM

Real Force for Stress and Strain Calculations &

Output Purpose

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 5: KAVI JOSHI PRESENTATION

Coiled tubing force theory

Contact forces play important role

Capstan/Belt Effect in curved trajectory

Sinusoidal and Helical Buckling

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Fig. 3: Curved Segment Fig. 2: Sinusoidal and Helical Buckling

Page 6: KAVI JOSHI PRESENTATION

Coiled tubing force theory

Forces Acting on a Coiled Tubing in a Deviated Well

• Axial Force

• Buoyant Force

• Friction Force

Stresses

• Axial Stress

• Radial Stress

• Hoop Stress

Fluid Drag

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 7: KAVI JOSHI PRESENTATION

Introduction to ORPHEUS

Well Intervention Modeling Package in CERBERUS

Based on theoretical calculations

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 8: KAVI JOSHI PRESENTATION

Introduction to ORPHEUS

Brings together the information in the managers to

run calculations.

Calculations provide us with answers to many

complicated questions.

These answers form the basis of our reporting.

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 9: KAVI JOSHI PRESENTATION

Introduction to ORPHEUS

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Options and Running Parameters

Inputs :

• CT/WL

• Tools

• Well

• Fluids

Page 10: KAVI JOSHI PRESENTATION

Introduction to ORPHEUS

String Editor

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Coiled Tubing Design

• OD

• ID

• Weight

• Length

• Wall thickness

• Tapered or Straight

• Weld Type

• Weak Zones

• Corrosion

• Cut, Splice or Reverse

• String file holds the up to date String History and Fatigue Profile

Page 11: KAVI JOSHI PRESENTATION

Introduction to ORPHEUS

Tool Editor

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

• Pulls together tools from the toolboxes into a string

Page 12: KAVI JOSHI PRESENTATION

Introduction to ORPHEUS

Well Editor

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 13: KAVI JOSHI PRESENTATION

Introduction to ORPHEUS

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Fluid Manager

• Contains a library of common fluids, gases and

multiphased combinations.

• Ability to add more

Page 14: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 15: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Rotojet XD Wash

Input Parameters

• Calculation depth: 2125 m.

• CT Speed: RIH= 20.0 m/min POOH=10.0 m/min

• Stripper Friction: 500 lbf

• Reel Back Tension: 500 lbf

• WHP: 130 psi

• Liquid Flow Rate: RIH= 0 bpm POOH= 1 bpm

• Max. Calculation Length: 30.5 m

• Yield Safety Factor: 80%

• Gooseneck Radius: 72 in.

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 16: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Rotojet XD Wash

Input Parameters

• Fluid Input: RIH= Nitrogen POOH=Diesel

• Tool String

• CT Connector (2.125 in. OD)

• Motorhead Assembly (2.125 in. OD)

• Rotary Jet Tool (2.125 in. OD)

• Well Fluid: 27 deg API 10%WC 200 scf/bbl

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 17: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Well Geometry

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 18: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

COMPARISON WITH CIRCA AND FIELD DATA

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Depth (m)

Surf

ace W

eig

ht

(lbs)

Page 19: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Coiled Tubing and Tool String

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 20: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Von-Mises Stress

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Combination of Axial Stress

Radial Stress

Hoop Stress

Von-Mises Stress

Axial Stress

Radial Stress

Hoop Stress

Page 21: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Lock Up Limit

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 22: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Wall Contact force

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 23: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Helical Buckling

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 24: KAVI JOSHI PRESENTATION

Coiled Tubing Force Model

Contingency

• With the well continuing at same parameters, CT Yield

would occur at 2498 m.

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 25: KAVI JOSHI PRESENTATION

FIELD TRAINING

JOBS Visited (4 Weeks) Slickline Operations

1. Opening Sliding Sleeve Door(SSD) and Jet

Pump Installation

2. Sand Bailing

3. Retrieval of Isolation Sleeve and Installation

of Y-tool Blanking Plug

4. FISHING of B-Shifting Tool

5. MPLT

6. JOHN ENERGY-27 Slickplug installation for

BOP N/D

Eline Operations 1. Perforation using Eline

2. Installation of Inflatable Retrievable Bridge

Plug

3. RST JOB

4. SCMT Logging

HSE VISIT in the Mangala field

Coiled Tubing Operations 1. Matrix Acidizing/Stimulation

2. De plugging and N2 Flow back

3. Well Bore Clean Out

Well Test Spread 1. Surface Well Testing

Warehouse Visits 1. Visit to Halliburton Warehouse to see

various completions equipments

2. 16 D 4 ½ “ Jet Pump Assembly NH

Warehouse

3. Visit to WellTekindo (Schlumberger)

warehouse for familiarizing with the

Slickline tools and the SLICKPLUG.

Drilling Rig- Weatherford 807 1. LWD and MWD Tools

2. TCP Guns

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013

Page 26: KAVI JOSHI PRESENTATION

ACKNOWLEDGEMENT

Special Thanks To

Mr. Arunabh Parasher (Mentor)

Mr. Alok Kr. Singh (Guide)

Mr. Arun TD

Entire Well Services Team of Cairn India

Cairn Logistics Team

Service Providers (Field Crews):

Schlumberger

Baker Hughes

Halliburton

Weatherford

Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013