Mud Conditioning System - PRAKLA Bohrtechnik GmbH

Mud Conditioning
System
03/2008

Table of Contents
Table of Contents
1 About this description........................................................................................................................ 3
1.1 Related documents............................................................................................................................... 3
2 Technical description......................................................................................................................... 4
2.1 Setting up the auxiliary units................................................................................................................. 5
2.2 Auxiliary pump ...................................................................................................................................... 6
2.3 Hopper .................................................................................................................................................. 7
2.4 Mud tanks ............................................................................................................................................. 8
2.5 Mud ditch ............................................................................................................................................ 10
2.6 Desander ............................................................................................................................................ 11
2.7 Hose and hose couplings ................................................................................................................... 12
3 Other accessories............................................................................................................................. 13
4 Technical data................................................................................................................................... 14
List of Figures
Fig. 1 Auxiliary units arranged around the rotary drilling rig ................................................................... 5
Fig. 2 Auxiliary pump............................................................................................................................... 6
Fig. 3 Hopper, big.................................................................................................................................... 7
Fig. 4 Hopper, small ................................................................................................................................ 7
Fig. 5 Mud tank with mixer ...................................................................................................................... 8
Fig. 6 Other mud tanks............................................................................................................................ 9
Fig. 7 Mud ditch..................................................................................................................................... 10
Fig. 8 Desander..................................................................................................................................... 11
Fig. 9 Hose and strainer........................................................................................................................ 12
Fig. 10 Coupling and adapter.................................................................................................................. 12
Mud Conditioning System 03/2008 2

About this description
1 About this description
This technical document provides important information about the auxiliary units for the rotary drilling
rig. Besides an overview, you can find instructions for safe and correct installation of the auxiliary
units at the usage site.
Read this document carefully and in full before starting to set up and work with the auxiliary units of
the rotary drilling rig.
Observe all universally valid legal and other binding European and national regulations and the
national regulations related to the prevention of accidents, public road traffic and environmental protection.
1.1 Related documents
Also read and observe the suppliers' documentation for the auxiliary units. These documents are
part and parcel of the present technical description.
Mud Conditioning System 03/2008 3

Technical description
2 Technical description
The auxiliary units described in this document must be ordered separately. They are no components
of the rotary drilling rig and, thus, are not included in its scope of delivery.
Note that this technical description does not provide any instructions on how to use and
control the auxiliary units.
Follow the instructions for proper connection, control and operation of the auxiliary units
provided in the suppliers' documentation.
Auxiliary units include several components that are detailed on the following pages:
� Auxiliary pump (see page 6)
� Hopper (see page 7)
� Mud tank (see page 8)
� Mud ditch (see page 10)
� Desander (see page 11)
� Hoses and hose couplings (see page 12)
In order to obtain the auxiliary units in the wanted configuration, please contact our customer service.
You can find the address in chapter “Other accessories” on page 13.
Other accessories and auxiliary parts are also available from our customer service. Please refer to
chapter “Other accessories” for a list of the available accessories.
Mud Conditioning System 03/2008 4

Technical description
2.1 Setting up the auxiliary units
The following overview shows the possible setup and basic arrangement of a fully equipped rotary
drilling rig system with the corresponding auxiliary units as an example.
In individual cases the arrangement may be different, depending on the local usage site and conditions.
Fig. 1 Auxiliary units arranged around the rotary drilling rig
1 Mud tank with mixer 6 Generator (optional)
2 Mud ditch 7 Auxiliary pump
3 Hoses and hose couplings 8 Hopper, big
4 Mud tank with sieve 9 Hopper, small
5 Desander
Mud Conditioning System 03/2008 5

Technical description
2.2 Auxiliary pump
Fig. 2 Auxiliary pump
1 Hopper
connector
2 Mud tank
connector
The electrical auxiliary pump pumps water from the mud tank to the hopper, where the drilling mud is
produced.
On one side of the auxiliary pump, the hose of the mud tank is connected. On the other side, the
hose of the big hopper is connected. A bypass on the big hopper also allows you to connect the
pump directly to the small hopper.
Mud Conditioning System 03/2008 6

Technical description
2.3 Hopper
Fig. 3 Hopper, big
The two hoppers allow you to produce the drilling mud. You can use either the big and/or the small
hopper, depending on the required mud volume.
The hose from the auxiliary pump (1) is connected to the bypass (2). The drilling mud either passes
the big hopper or directly flows through the small hopper unit before reaching the mud tank, depending
on the position of the lever on the bypass.
When setting up the system, place the small hopper between the big hopper and the drilling tank.
The small hopper is equipped with Storz couplings for connecting the hoses.
Fig. 4 Hopper, small
1 Auxiliary pump
connector
2 Bypass
3 Mud tank
connector
4 Small hopper
connector
1 Big hopper
connection
2 Mud tank
connector
Mud Conditioning System 03/2008 7

Technical description
2.4 Mud tanks
Mud tanks in various sizes and of different types are available for configuring a mud system according
to your needs. Besides the mud tank with mixer shown in this description, smaller mud tanks or
mud tanks with bleeder are available.
Fig. 5 Mud tank with mixer
1 Mixer
2 Separator
3 Mixer II
The big mud tank has two chambers separated by a separator. A mixer can be installed above each
chamber. The first mixer (1) is powered externally via a generator. The second mixer (3) is powered
via a cable connected to the first mixer.
The separator (2) has openings in the bottom part, allowing you to either separate or link the two
chambers.
The big mud tank has various inlet and outlet connectors for the drilling mud. An external auxiliary
pump (see chapter Auxiliary pump on page 6) can be connected to one of the two lower connectors,
Another connector is assigned to the centrifugal pump on the rotary drilling rig.
Mud Conditioning System 03/2008 8

Technical description
The picture below shows you some examples of the available mud tank types.
Fig. 6 Other mud tanks
1 Mud tank with
bleeder
2 Mud tank, flat
3 Mud tank, small
For details of the available mud tank variants please contact our customer service. You can find the
address in chapter “Other accessories” on page 13.
Mud Conditioning System 03/2008 9

Technical description
2.5 Mud ditch
Fig. 7 Mud ditch
A mud ditch is available for setting up the mud system for your rotary drilling rig. The mud returning
from the borehole passes the mud ditch to reach the big mud tank.
For details of the mud ditch please contact our customer service. You can find the address in chapter
“Other accessories” on page 13.
Mud Conditioning System 03/2008 10

Technical description
2.6 Desander
Fig. 8 Desander
The desander separates solids from the drilling mud, but without affecting or modifying the drilling
mud itself. Its charging volume is indicated in m³/h and depends on several parameters. In order to
ensure optimal operating conditions, the desander must be placed on the collecting pan (see Fig. 8)
The desander's main components are:
� A coarse sieve (5) for filtering out stones of more than 5 mm
� A cyclone washer for separating fine particles from the drilling mud
� A collecting pan under the coarse sieve
1 Duct
2 Cyclone washer
3 Collecting pan
4 Hose
5 Coarse sieve
The drilling mud flows through a hose (4) into the cyclone washer. In the cyclone washer (2), the solids
are separated from the drilling mud by centrifugal forces. The desander is available with four or
six cyclone washers. A pressure gauge indicates the drilling mud input pressure.
The solids are evacuated via a duct (1). The remaining drilling mud flows through a hose to the collecting
pan (3).
Mud Conditioning System 03/2008 11

Technical description
2.7 Hose and hose couplings
Fig. 9 Hose and strainer
The basic set of hoses with different hose couplings required for connecting the auxiliary units to
each other or to the drilling rig is included in the scope of delivery. Additionally, a strainer (1) for
sucking in the drilling mud from the drilling hole is available.
Fig. 10 Coupling and adapter
1 Strainer
1 Perrot coupling
2 Adapter
Standardly, hoses of 5 m and 10 m length are included in the delivery scope. Storz couplings or Perrot
couplings (1) are used for connecting the hoses. The appropriate adapters (2) for interconnecting
several hoses are also available. For details of the available hoses, hose couplings and adapters
please contact our customer service.
Mud Conditioning System 03/2008 12

Other accessories
3 Other accessories
Various additional accessories can be ordered for the rotary drilling rig.
The following accessories are available:
� Drill string components like drill pipes, cross-overs, bits, stabilizers and collars
� Additional vehicles like tank trucks, trailers, workshop containers and crane trucks
� Auxiliary compressors
� Work platforms
The customer service will help you to select and order the required accessories. You can reach the
service center of PRAKLA Bohrtechnik GmbH under:
PRAKLA Bohrtechnik GmbH
Moorbeerenweg 3
D-31228 Peine
Phone: +49 (0)5171 9055-0
Fax: +49 (0)5171 9055-100
e-mail: info@prakla-bohrtechnik.de
Mud Conditioning System 03/2008 13

Technical data
4 Technical data
Hopper, big
Item No. 16000325
Dimensions
Length / Width / Height 1,930 / 1,000 / 1,086 mm
Weight 244 kg
Connection 5''
Flowrate 1,500 l/min at 8 bar
Hopper, smal
Item No. 16000326
Dimensions
Length / Width / Height 1,240 / 704 / 1,008 mm
Weight 40 kg
Connection 2,5''
Flowrate 750 l/min at 8 bar
Auxiliary pump
Item No. 16000327
Dimensions
Length / Width / Height 2,103 / 793 / 1,263 mm
Weight 884 kg
Flowrate max. 2,000 l/min at max. 8 bar
Power 400 V; 50 Hz; 55 kW
Desander
Item No. 16000328
Dimensions
Cyclone washer 6 pieces
Length / Width / Height 2,005 / 590 / 1,314 mm
Weight 206 kg
Flowrate 1.080 l at 2,5 bar
Tank, big
Item No. 11520240
Dimensions
Length / Width / Height 5,500 / 2,300 / 1,210 mm
Weight 2,450 kg
Tank, medium size
Item No. 11520245
Dimensions
Length / Width / Height 3,245 / 2,300 / 600 mm
Weight 975 kg
Tank, small
Item No. 11520243
Dimensions
Length / Width / Height 3,245 / 2,300 / 500 mm
Weight 920 kg
Mud Conditioning System 03/2008 14

Technical data
Mud ditch
Item No. 16059262
Dimensions
Length / Width / Height 3,000 / 300 / 350 mm
Weight 96 kg
Mixer I
Item No. 16000320
Dimensions
Length / Width / Height 2,360 / 860 / 2,050 mm
Weight 158 kg
Power 0.75 kW; 82 rpm
Mixer 4 propellers of 650 mm of diameter
Mixer II
Item No. 16000334
Dimensions
Length / Width / Height 2,360 / 860 / 2,050 mm
Weight 158 kg
Power 0.75 kW; 82 rpm
Mixer 4 propellers of 650 mm of diameter
Strainer
Item No. 11002056
Dimensions
Length / Width / Height 280 / 280 / 680 mm
Connection 5'' Perrot
Mud Conditioning System 03/2008 15

PRAKLA Bohrtechnik GmbH
Moorbeerenweg 3
D-31228 Peine
Phone: +49 (0)5171 9055-0
Fax: +49 (0)5171 9055-100
info@prakla-bohrtechnik.de
www.prakla-bohrtechnik.de
A BAUER Group company