Tender Documents - Oil India Limited

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ELEVATOR LINKS: Minimum 150 Ton (136 MT) capacity Welds less
elevator links. The links should be compatible to Traveling block &
Hook.
ROTARY HOSE: Rotary hose of 2” / 3” ID, 3000 psi working
pressure, 50 ft long, conforming to API Spec. 7K with safety clamps
at both ends & necessary fittings for connection to stand pipe &
swivel goose neck
KELLY: Suitable Square / Hexagonal Kelly, 40 ft long to work inside
5.1/2” OD (17-23 ppf) & 7” OD (23-29 ppf) Casings and compatible
with rotary table. The Kelly should be complete with Kelly scabbard,
matching Kelly bushing, upper & lower Kelly cock and Kelly saver
sub.
RIG ENGINE: Single or double, diesel engine capable of transmitting
a minimum of 500 HP on intermittent duty in total to the draw
Works. While calculating HP of the engine (s), the entire load for
accessories drive and transmission & other losses shall be taken into
account. If twin engines are supplied both the engines or either of the
two engines should be capable of transmitting power either to Draw
Works depending on load requirement or for road drive.
NOTE: Statutory requirement for SAFETY:
(i)
(ii)
(iii)
All the rotating parts, Belts etc. should be well guarded.
Engine(s) should be equipped with” Emergency Kill” devices by
shutting off air supply. This device should be operative from
the Driller‟s Console.
Engine(s) should have two systems for self starting: (a)
Electrical starting system during rig movement period and (b)
Air starting system during operation period inside the well
plinth.
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AIR COMPRESSOR: Air compressor of required capacity for
operating Air starter for the Rig engines and other pneumatic
controls. The prime mover engine of the Air compressor will be hand
starting (but not electric starting). The Air compressor shall be
mounted on the deck itself in a convenient position. If required, the
compressor may be placed on the ground also during operation
period by laying down necessary lines for air supply. The air receiver
supplied should be hydraulically tested at 1.5 times the working
pressure. Details of test reports should be provided along with the
Rig. Also date of testing, test pressure etc should be painted on the
air receiver.
TRANSMISSION: May be single or double, Torque converter type
automatic Transmission with minimum 3 Forward and 1 Reverse
speed which is/are capable of transmitting a minimum 500 HP to the