KAVI JOSHI PRESENTATION
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Transcript of 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
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
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
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
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
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
Introduction to ORPHEUS
Well Intervention Modeling Package in CERBERUS
Based on theoretical calculations
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
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
Introduction to ORPHEUS
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
Options and Running Parameters
Inputs :
• CT/WL
• Tools
• Well
• Fluids
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
Introduction to ORPHEUS
Tool Editor
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
• Pulls together tools from the toolboxes into a string
Introduction to ORPHEUS
Well Editor
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
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
Coiled Tubing Force Model
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
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
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
Coiled Tubing Force Model
Well Geometry
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
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)
Coiled Tubing Force Model
Coiled Tubing and Tool String
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
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
Coiled Tubing Force Model
Lock Up Limit
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
Coiled Tubing Force Model
Wall Contact force
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
Coiled Tubing Force Model
Helical Buckling
Cairn India Summer Intern PE-Well Services: KAVI JOSHI – 2013
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
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
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