· • The drawworks is equipped with grooved drum and shifting gear to be carried out by an air cylinder. The hydraulic disc brake is regarded as main brake and the eddy current

w w w . u l s c o r p o r a t e . c o m

Characteristics of Electrical Driven Drilling Rigs

• Basic parameters of drilling rig are in accordance with GB/T23505-2009 Petroleum Drilling and Workover Rigs

• Stepless speed regulation of drawworks, rotary table, and mud pump is realized as a result of adopting AC-SCR-DC control system and power compensation technology in DC motor driven rigs, thus a better drilling performance can be acquired.

• Hoisting speed, rotational speed of rotary table, and strokes of mud pump can be adjusted according to the need; adopting advance VFD, full digital control technology in AC, and variable frequency motor driven rigs. Drilling efficiency has been improved.

• A kind of integral rising slingshot substructure (height 7.5m, 9m, 10.5m) is used. The equipment on the drill floor and mast can be installed at ground level and integrally raised to the designated position, with the drawworks’ power or the hydraulic wire-line winch.

• The hydraulic disc brake is used as the main brake of the drawworks. The braking torque is large and it is reliable to brake. The brake handle is located in the driller’s cabin to reduce the intensity of driller’s labor.

• The rotary table is run by an independent drive and the chain box has two gears. They are placed under the drill floor, on which there is a large operation area.

• Either eddy current brake or eaton brake can be considered as auxiliary brake of drawworks. A smooth labor and easy control operation is ensured. The service life of brake rims (disc) and brake blocks is efficiently prolonged; the drum is grooved and the wire line is orderly wound round it. The collision avoidance systems (over-spool, weight, and digital display) are available to increase the safety of drilling operations.

• The drawworks is provided with an automatic driller.

• Main components/parts are designed and made to API Spec to ease the participation in international bids of drilling rigs.

DC Motor Driven Drilling Rigs

Model & Parameters of DC motor driven drilling rigs

AC Variable Frequency Motor Driven Drilling Rigs

Model & Parameters of AC variable-frequency mother driven drilling rigs

Electrical Driven Drilling Rigs

Scope of Electrical Driven Drilling Rigs

Characteristics of Mechanical-Eletrical Drilling Rigs

• Power of drilling rig comes from 2000 or 3000 series, diesel engine and fluid coupling reducer casing (or gear reducer).

• The drawworks and the mud pumps are mechanically driven. The rotary table is independently driven by AC frequency motor or DC motor.

• Easy installation and better sealing as a result of taking an integral chain box or V-belt compound transmission unit.

• The drawworks is equipped with grooved drum and shifting gear to be carried out by an air cylinder. The hydraulic disc brake is regarded as main brake and the eddy current brake as auxiliary brake.

• An emergency motor is available for draw works. Prior to starting the diesel engine, the mast is raised in advance; if there is something wrong with the master clutch and the power cannot be sent to the drawwork, it will be used to lift the drilling tool in order to reduce accidents in the well and perform safety drilling operations.

• The rotary table can accomplish stepless speed regulation with 0-210r/min. The AC or DC is supplied by an auxiliary generator set.

• The substructure is a one step risen type (or swing-lift type) integrated, and it is installed at ground level and raised/lowered with the mast (or independently raised/lowered).

• The mechanical parts of the rig are in accordance with API spec.

Model & Parameters of mechanical -Electrical drilling rigs-1

Mechanical Electrical Drilling Rigs

Model & Parameters of mechanical -Electrical drilling rigs-2

Mechanical Electrical Drilling Rigs

Scope of mechanical -Electrical drilling rigs

Characteristics of Mechanical Driven Drilling Rigs

• The drilling rig is driven by diesel engines, hydraulic coupling & chain compound box or diesel engines, reducers & narrow V-belt, providing smooth mechanical power to the drawworks. A number of hoisting and rotary speeds are available.

• The drawworks are installed at ground level. The Power is transmitted through bevel gear and universal shaft to the equipment on the drill floor. It is driving reliable and easy assembly/disassembly.

• The drawworks (40 and 50 model) uses air clutch for shifting gears, which are suitable for remote control.

• Either band brake or hydraulic disc brake, can be considered as main brake of drawworks and, either an eddy current brake or eaton brake as auxiliary brake.

• The chain driven is operated by the integral enclosed compound chain box (or narrow V-belt) and coupling. During any rig moves, it is unnecessary to dismantle the chains (or narrow V-belt) for fast installation.

• The mast is open front type without guy line. It is integrally raised and installed at ground level.

• The substructure is of a box-on-box type. It is a simple structure and easy to install. It is applicable for mounting b.o.p installations. The rotary table and the transmission unit are flush with the rig floor. The drill floor is flat and the operational area is large.

Basic Parameters of mechanical driven drilling rigs

Mechanical Driven Drilling Rigs

Scope Of Mechanical Driven Drilling Rigs

Other Rig’s features are as follows (ZJ50 & ZJ70):• The major components are in accordance with API spec. and meet the requirements of drilling technology.

• Seamless speed regulation of draw works, rotary table and mud pump is compatible with SCR (VFD) complete digital electrical control system in the rig, obtaining a better drilling performance.

• Modular design is applied for easy handling and transportation.

• The wire rope for the mast and substructure is reeved only once. The swing lift substructure is continuously raised with power of the draw works. The equipment on the drill is raised together with the substructure in one step.

• The rotary table is run by an independent drive. The table and its drive are independent modules for easy assembly/disassembly and transportation.

• The draw works is grooved. The collision avoidance systems (over-spool, weight, and digital display) are available.

• VARCO or Beishi top drive are available. Iron roughneck and man-rider winch are also available.

Basic parameters of ZJ50/3150D (DB) electrical driven rig are in compliance with GB/T23505-2009 Petroleum drilling and international standards.

Basic parameters of ZJ70/4500D (DB) electrical driven rig are in compliance with international general requirements of 2000HP rig.

ZJ50/3150D (DB) Drilling Rigs

ZJ70/4500D (DB) Drilling Rigs

SAFE AND RELIABLE HIGH PERFORMANCE RIGS

Other Rig’s features are as follows (ZJ80 & ZJ90):• Advanced mains supply and power compensation technology is adopted in the rig, acquiring higher power factor

and power-saving/environment protection.

• High pressure mud circulating system is available. The working pressure of swivel, mud pump, and drilling fluid manifold is 7500psi (52mp).

• The draw works is designed as per 3000HP to have larger hoisting speeds and higher efficiency.

• The rigs are modularly design for easy lifting and moving.

• Self-innovating technology is applied on the rig.

• Auto feed driller with motor is available

ZJ80/5850D DC motor driven ultra deep rig is specially designed for Tarim Kuqa area and meet the requirements of casing with larger diameter, bigger tonnage and a high pressure drilling.

The hydraulic disc brake is regarded as the main brake of drawworks and ds80 eddy current brake as auxiliary brake. ZP375H rotary table with large torque is available. The rotary table and its drive are modularly designed for easy assembly/disassembly and moving.

The wire line for mast and substructure is reeved only once. The substructure is a swing-lift type and raised continuously with power of drawworks. The equipment on the drill floor is raised to position with the sub-structure.

ZJ90/6750D DC motor driven ultra-deep rig is designed according to maximum static load of 6750KN, 5 ½” dp, and depth range of 9000m.

The drawworks is installed at ground level. The hydraulic disk brake is regulated as main brake and ds90 eddy current brake as auxiliary brake. ZP375H rotary table with large torque is available and run through two-gear reducer.

The mast and substructure adopt a new swing-lift type and is raised through A-frame with the power of drawworks. The equipment on the drill floor is raised to position with the sub-structure.

ZJ80/5850D Drilling Rigs

ZJ90/6750D Drilling Rigs

SAFE AND RELIABLE HIGH PERFORMANCE RIGS

Other Rig’s features are as follows (ZJ50/3150JD & ZJ50/3150LDB):• The cantilever beam leg mast is installed at ground level and integrally raised/lowered.

• The drill floor is 7.5m/9m in height, installed at ground level, and raised/lowered together with the mast.

• The drill floor is flat and spacious for the rotary table, the hydraulic cathead, the hydraulic tongs and two 50KN air winches

ZJ50/3150JD rig is of mechanical/electrical driven. The drawworks and the mud pump are mechanically driven and the rotary table is hydraulic driven.

Power of the rig comes from three diesel engines (Model: G12V190pzl-3), gear reducer casing & narrow V-belt compound and divides into three branches: one is to run two 1300HP/1600HP mud pumps through two universal shafts, the second is to run the draw works through chain box, and the third is to run one 800KVA/400V economic generator through universal shaft.

Modular design is used. Three engines, reducer casing, and skid are taken as a transportation unit. The dimensions meet railroad/highway requirements.

ZJ50/3150LDB rig is mechanical/electrical driven. The drawworks and the mud pump are mechanically driven and the rotary table adopts independent electrical driven device.

The rig power comes from three diesel engines (electronic), which drive each working group after compounding through the coupler, reducer casing, and integral chain box. Two universal shafts separately drive two 1300HP/1600HP mud pumps and the chain drives the drawworks directly. A universal shaft drives an 800KVA/400V economic generator.

This kind of rig overcomes the problems existed in electrical driven rig such as: expensive cost in manufacturing, restriction between the rotary table, speed of mechanical rig and the mud pump stroke, longer transmission route, etc. it is simple in structure and flexible in arrangement. It is a kind of an economical and practical rig.

ZJ50/3150JD Drilling Rigs

ZJ50/3150LDB Drilling Rigs

SAFE AND RELIABLE HIGH PERFORMANCE RIGS

Skid mounted equipment, electrical and mechanical available.

WORKOVER RIG

Mobile Drilling Units

W: www.ulscorporate.com E: [email protected]: +1 (647) 351 8574 F: +1 (647) 351 8573

2 Sheppard Avenue East, Suite 901Toronto,Ontario,Canada M2N 5Y7

Drilling