NAME
Pete 486 HW chapt 12
November 08, 2011
Peter Vo
Pete 486 HW chapt 12
November 08, 2011
12.2, 12.8.12.10, and 12.12
12-2. What are the advantages of the Lufkin Mark II and air-balanced units in comparison with
conventional units?
The pitman arm and ho

NAME
Pete 486 HW8
Oct 6th, 2011
2. For the data given in the following table, identify a suitable decline model, determine model
parameters, predict the time when the production rate will decline to a marginal value of 500
stb/day, and the reverses to be

NAME
Pete 486
HW Chapt 9 Make Up
Nov 3rd, 2011
NAME
Pete 486 HW Chapt 9 Make Up
Nov 3rd, 2011
9-1 Calculate the collapse resistance for a section of 3 API 9.20 lb/ft, Grade J-55,
non-upset tubing near the surface of a 12,000 ft string suspended from the s

University of Louisiana at Lafayette
NAME
Pete 486
HW chapt 5, 6
Submitted 09/20/11
NAME
Pete 486 HW chapt 5, 6
5.6
This problem is solved with the spreadsheet program GasDownChokePressure.xls
Estimated down stream pressure:
860.54 psia
6.2
This problem i

NAME
Pete 486- HW 4
09/15/11
o
4.1
1000 bbl/day = 5 cp
API= 16
from vertical = 3o
lbm/ft tube
Roughness = 0.001
Pressure drop = ?
= 0.959
o = 62.5 o = 62.5 (0.959) = 60 lbm/ft3
Elevation increase: Z = cos( )1000 = cos (3) 1000 = 999 ft
Di for 2 7/8 and 8

GasLiftValveDesign-US Field Units.xls
Ibrahim Al Rushood,
Q. 13.14
Input Data
Maximum depth of injection point (Do):
Minimum tubing pressure at injection point (pto):
Kill fluid pressure gradient (Gs):
Gas specific gravity (g):
Flowing tubing head tempera

ReciprocatingCompressorPower.xls
Ibrahim Al Rushood,
Q. 13.8
Assuming the efficiency = 0.8
Input Data:
Gas flow rate (q g ):
Stage inlet temperature (T 1 ):
Stage inlet pressure (p 1 ):
Gas specific gravity (g g ):
Stage outlet pressure (p 2 ):
Gas specif

NAME
Pete 486- HW 3
3.1 Construct Inflow Performance Relationship (IPR) for an oil reservoir
1. Transient Flow at 1 month
2. Steady State Flow
3. Pseudosteady state flow
3.2 Construct IPR for Saturated oil reservoir using Vogels equation
J* = STB/d-psi
Qm

ReciprocatingCompressorPower.xls
Ibrahim Al Rushood,
Q. 13.6
Assuming the gas specific ratio k = 1.25
Input Data:
Gas flow rate (q g ):
Stage inlet temperature (T 1 ):
Stage inlet pressure (p 1 ):
Gas specific gravity (g g ):
Stage outlet pressure (p 2 ):

NAME
Pete 486
Chapter 7 HW
Production Forecast
2.
1 month transient flow base on the information of #1 problem, follow by pseudo steady
state flow and Pbp =4000 psia.
By using transient production forecast spreadsheet, the productivity index J will drop t