500 SERIES MAST
MWI 104' 295,000lb Mast
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HEIGHT:
104', doubles tubing, triples of rods
RATING:
Maximum rated static hook load
295,000 pounds with 8 lines strung
COLUMN LEGS:
6" X 6" X 1/4" wall Hi-tensile tubing
BRACES:
3" X 3" X 3/16" wall Hi-tensile tubing
BASE SECTION:
6' X 6" X 1/4" Hi-tensile tubing
4-Leg Model (2 legs to ground, 2 legs
to rear of rig)
Turnbuckle tilting with 3 1/2" screws in
legs to ground
3 1/2" X 14" acme threaded tail screws
TUBING BOARD:
Capacity 27,000' of 2 7/8" tubing
8 fingers for racking, 20 stands per row
Board raises and lowers automatically
with lines in tension at all times
Mounts at 55' and 67' feet above ground level
7' windwalls for tarping tubing
Sheave on off driller side for tong line
Adjustable diving board
Grommets for safety landing
HYDRAULICS:
1 twin stage scope and ram with slide
2 raising rams with lugs and pins
High pressure hoses for tying into hydraulic
bank
ROD EQUIPMENT:
2 Rod hangers with combined capacity of
208 triples
Basket is equipped for 15 triples per row
for hanging 3/4", 7/8", & 1" sucker rods
Includes rodman basket, air tank, air
cylinder transfer system and safety sub-elevators
Rod equipment goes into position when
mast is scoped up or down
Mounted at 78 feet for triple rods
CROWN:
For 4, 6 or 8 line string up of conventional
block flat with mast
1-30" X 1" Mckissick tapered roller bearing sheaves-
hardened grooves, double fast line
1-30" X 1" Mckissick tapered roller bearing sheaves-
hardened grooves, deadline
3-24" X 1" Mckissick tapered roller bearing sheaves-
hardened grooves cross mounted, drill line
1-24" X 9/16" McKissick tapered roller bearing
sheaves, sandline
4- winchline sheaves
2- rod basket, air cylinder sheaves
1- bracket for anti-fall device
MAST LOCKS:
Top of mid-section with dog assembly
load plates
Activated by linkage above operating
platform.
Dog assembly plates lever at operators position
when telescoping up or down.
MAST LADDERS:
Off driller side from crown to ground top
section ladder fold out and down 6" away
from mast for proper safety and easier
access.
Bottom section ladder 6" away from mast
for easier access
Sub base ladder with fold down to ground
level for safer and easier access
BUMPER GUY
2-load guys with tail chain and tightening
binder
GUYLINE SET:
2 pcs 9/16" X 140'
4 pcs 5/8" X 180'
PRIMER COAT:
DuPont satin high solid epoxy primer
TOP COAT:
High gloss polyurethane
Metallic and pearl available
CLEAR COAT:
Heavy-duty performance finish coats
WEIGHT:
18,000 # est bare weight
**ADDITIONAL OPTIONS:
Customers choice of color or colors, example
white mast with blue crown, blue rod basket,
blue tubing board, blue sub-base. No Charge
by customers choice
LIGHTING:
Standard Package:
1 red warning light (flashing)
8 pieces 4' double tube Aluminum with
receptacle ends (for fast removal)
8 receptacle boxes
1 outlet box and plug @ mid section
1 outlet box in hinge area
1 set 1/10 plug ins
West Dakota Style Package:
1 red warning light (flashing)
11 pieces 4' double tube Aluminum with
receptacle ends (for fast removal)
11 receptacle boxes
1 outlet box and plug @ mid section
1 outlet box in hinge area
1 set 1/10 plugins
TONG RETRACTOR:
Air operated
8" torque bar w/ adjustable holds every 6"
Complete w/ adjustable stiff arm
Ball bearing hinged for long life and strong
durability
TARPS: (with or without logo)
22 mm thickness, synthetic vinyl w/ grommets
every 12"
Colors: white, blue, and black
Company name, rig number and logo will be
added on tarps, in black bold (long lasting,
universal, and nice touch, built and designed
for fast installation and removal)
STAND PIPE:
3" high pressure line, fastened to mast with
heavy duty mounting clamps
Located below tubing board to top of sub base
WORK FLOOR:
West Dakota Style Folding Work Platform:
Platform includes 1 - 80" X 84" long folding
work platform, with slide out door for easier
access to well head.
Included with 4 hand railings
Platform is constructed of rectangular tubing
and is decked with a reduced slip grating.
Mounting chain and hooks welded on mast
base to secure floor safely on rig when not in use.
Floor is adjustable from 2' above ground level
to 10' above ground level
Color customers choice, with safety yellow
on railings
TELESCOPIC LADDER:
Adjustable staircase for rig floor,
adjustment from 5' up to 8' with
adjustable railing
McKISSICK BLOCKS:
Series #80 24" 84-A (weighted blocks w/clevis)
