CEMENTING PLUGS AND ANCILLARY EQUIPMENT

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Rachel Freeman
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Sir William Smith Road, Kirkton Industrial Estate, Arbroath, Angus, Scotland, U.K. DD11 3RD Tel: +44 (0) 1241 877776.

2 CONTENTS Table of contents Page Content 01 Contents page 02 Introduction Surface Launched Anti-rotational plugs Subsea Launched Standard plugs Subsea Launched Anti-rotational plugs High Pressure High Temperature system 11 Ancillary equipment 12 Launching darts and balls 13 Float collars and shoes 14 Cementing heads When time is of the essence, Pioneer delivers 1

3 INTRODUCTION Pioneer Oil Tools Ltd is pleased to provide a range of products related to the downhole cementing process. These are mostly-rubber products and standard availability is in the following. Standard materials: Nitrile Butadiene Rubber (NBR) or Hydrogenated Acryonitrile Butadiene Rubber (HNBR) The selection of the material is dependent on the operating environment in the hole and the physical and chemical characteristics required from the equipment item. Other materials may be specified by customer. Material selection Material Description Temperature limits NBR High Nitrile (Acrylonitrile content 35 to 45%). Excellent resistance to mineral based fluids and hydrocarbon fuels. Strength and resilience is reasonable but low temperature performance is poor. -45ºC to +100ºC(can go to 120ºC with special processsing) Medium Nitrile (Acrylonitrile content 27 to 34%). Resistance to mineral based fluids is excellent, but resistance to fuels is moderate. Low Nitrile (Acrylonitrile content 18 to 25%). Strength, resilience and abrasion resistance is reasonable, and resistance to mineral based fluids is also reasonable. This material has a low temperature capability. HNBR General performance as for NBR but better abrasion and ozone -45ºC to +175ºC resistance. It has good resistance to Crude oil, Hydrogen Sulphide and Amines: another feature of HNBR over NBR is its higher temperature range. Pioneer has comprehensive experience in the design and manufacture of various types of oilindustry tools. If your requirements are not covered in this brochure, please contact us. Our sales and design team are anxious to demonstrate our range of products and versatility, by solving your tooling problems. 2

SURFACE LAUNCHED ANTI-ROTATIONAL PLUGS Pioneer Oil Tools Ltd surface launched anti-rotational cementing plugs are designed to provide a firm wiping action on the casing walls, a good seal for the

The plug set is then pumped down to the required location. The bottom plug latches at the required level into a baffle joint or float collar.

4 SURFACE LAUNCHED ANTI-ROTATIONAL PLUGS Pioneer Oil Tools Ltd surface launched anti-rotational cementing plugs are designed to provide a firm wiping action on the casing walls, a good seal for the cement when being pumped (to avoid contamination) and are easily drillable. Operation of the plugs is simple: the bottom plug is loaded, followed by the cement and then the top plug. The plug set is then pumped down to the required location. The bottom plug latches at the required level into a baffle joint or float collar. Pressure is applied to the top plug resulting in the shear disc in the bottom plug bursting. The cement then extrudes through the bottom plug until the top plug closes and latches with the bottom plug. The cement is then allowed to set. Pioneer s high quality cementing plugs are constructed from nitrile rubber, bronze and nylon. The plugs incorporate toothed anti-rotational devices that mesh between the top and bottom plugs and between the bottom plug and the receiver. In conjunction with its nylon core, these anti-rotational measures ensure that the plugs can be drilled through easily with a PDC bit. SLNT1338T / SLNB1338T SLNT0963T / SLNB0963T 3

5 SURFACE LAUNCHED ANTI-ROTATIONAL PLUGS (Cont d) The plugs are manufactured from two colours of rubber for easy identification of the top and bottom plugs and to determine when the lower plug has been drilled through. Top plugs are moulded from black rubber, bottom plugs from red. Cementing plugs come in a range of sizes and are capable of accepting different pressures. Specifying details are as follows, with T indicating top plug and B for bottom plug: Product code SLNT SLNB SLNT SLNB SLNT1338T SLNB1338T SLNT0963T SLNB0963T SLNT SLNB When ordering specify the following: Diameter of plug required. Minimum constraint to plug travel. Working pressure and temperature. Shear disc pressure required. Surface launched anti-rotational plugs Size Max pressure 20 x 18 ⅝ 2000 PSI PSI Max temperature 14 x 13 ⅜ 6000 PSI 175º 10 ¾ x 9 ⅝ 8000 PSI 175º 7 ⅝ x PSI 4

SUBSEA LAUNCHED STANDARD PLUGS Pioneer Oil Tools Ltd s subsea launched standard cementing plugs are designed to provide a firm wiping action on the casing walls, a good seal for the cement (to avoid

The plug set is connected to the cementing stinger on the drill pipe and lowered to the correct position. A ball is dropped down the drill pipe followed by cement.

6 SUBSEA LAUNCHED STANDARD PLUGS Pioneer Oil Tools Ltd s subsea launched standard cementing plugs are designed to provide a firm wiping action on the casing walls, a good seal for the cement (to avoid contamination) and are made of materials that are easily drillable with a PDC bit. CPN2000E Operation of the plugs is simple but effective. The plug set is connected to the cementing stinger on the drill pipe and lowered to the correct position. A ball is dropped down the drill pipe followed by cement. The ball seats itself in the bottom plug sealing off the lower plug bore. Subsequent pressurisation of the cement column results in the shear pins of the bottom plug shearing, releasing the bottom plug and cement to travel to a plug receiver (also available from Pioneer Oil Tools Ltd). When sufficient cement has been pumped, a dart is released which latches itself into the top plug. Applying pressure results in the top plug shear pins shearing, releasing the top plug. The top plug can then transmit pump pressure through the column of cement; this pressure squeezes the ball into the lower chamber of the bottom plug allowing the cement to extrude out through the plug s bottom ports. The cement is then allowed to set before drilling through. CPND1338E The high quality cementing plugs are made of nitrile rubber, aluminium, PVC and nylon ensuring that the plugs can be drilled through easily. 5

SUBSEA LAUNCHED STANDARD PLUGS (Cont d) The plugs are manufactured in two colours of rubber (for easy identification and to allow operators to gauge which plug they are drilling through) top plugs in

Specifying details are as follows: Product code Subsea launched standard plugs Size Max pressure Max temperature CPND2000E 20 x 18 ⅝ 1500 PSI 65ºC CPND1600E 16 2000 PSI 65ºC CPND1338E 14 x 13 ⅝ 4000

7 SUBSEA LAUNCHED STANDARD PLUGS (Cont d) The plugs are manufactured in two colours of rubber (for easy identification and to allow operators to gauge which plug they are drilling through) top plugs in black, bottom plugs in red. CPND0963E Cementing plugs come in a range of sizes and capable of accepting different pressures. Specifying details are as follows: Product code Subsea launched standard plugs Size Max pressure Max temperature CPND2000E 20 x 18 ⅝ 1500 PSI 65ºC CPND1600E PSI 65ºC CPND1338E 14 x 13 ⅝ 4000 PSI 170ºC CPND0963E 10 ¾ x 9 ⅝ 5000 PSI 170ºC CPND0700E 7 ⅝ x PSI 170ºC The code letter D indicates a set of plugs and can be omitted if single plugs are required. When ordering specify the following: Diameter of plug required. Minimum constraint to plug travel. Working pressure and temperature. Connection requirements for top plug. CPND0700E Pioneer would be pleased to supply associated equipment of darts and balls for these items. 6

SUBSEA LAUNCHED ANTI-ROTATIONAL PLUGS Pioneer Oil Tools Ltd subsea launched standard cementing plugs are designed to provide a firm wiping action on the casing walls, a good

These plugs also have the additional feature of antirotational teeth between the plugs to facilitate drilling.

Placement is by the drill string, utilising darts and balls to control the operations of the plugs and the placing of cement.

8 SUBSEA LAUNCHED ANTI-ROTATIONAL PLUGS Pioneer Oil Tools Ltd subsea launched standard cementing plugs are designed to provide a firm wiping action on the casing walls, a good seal for the cement (to avoid contamination) and made of materials that are easily drillable with a PDC bit. These plugs also have the additional feature of antirotational teeth between the plugs to facilitate drilling. CPN2000T The operation of the subsea anti-rotational plugs is very similar to the standard type. Placement is by the drill string, utilising darts and balls to control the operations of the plugs and the placing of cement. The high quality cementing plugs are constructed from nitrile rubber, aluminium, PVC and nylon. The materials ensure that the plugs can be drilled through easily. The plugs are manufactured from red and black rubber, to make easy identification of the top and bottom plugs and to aid drilling operators in identifying which plug they are drilling through. Plugs are supplied as a set or as single top plugs. CPND1338T CPN1338T 7

SUBSEA LAUNCHED ANTI-ROTATIONAL PLUGS (Cont d) Cementing plugs come in a range of sizes and capable of accepting different pressures.

CPND2000T 20 x 18 ⅝ 2000 PSI 65ºC CPND1600T 16 2700 PSI 65ºC CPND1338T 14 x 13 ⅜ 6000 PSI 175ºC CPND0963T 10 ¾ x 9 ⅝ 8000 PSI 175ºC

When ordering specify the following: Diameter of plug required. Minimum constraint to plug travel. Working pressure and temperature.

9 SUBSEA LAUNCHED ANTI-ROTATIONAL PLUGS (Cont d) Cementing plugs come in a range of sizes and capable of accepting different pressures. Specifying details are as follows: CPND0963T Product code Subsea launched anti-rotational plugs Size Max pressure Max temperature CPND2000T 20 x 18 ⅝ 2000 PSI 65ºC CPND1600T PSI 65ºC CPND1338T 14 x 13 ⅜ 6000 PSI 175ºC CPND0963T 10 ¾ x 9 ⅝ 8000 PSI 175ºC CPND0700T 7 ⅝ x PSI 175ºC The code letter D indicates a set of plugs and can be omitted if single plugs are required. When ordering specify the following: Diameter of plug required. Minimum constraint to plug travel. Working pressure and temperature. Pioneer would be pleased to supply associated equipment of darts and balls for these items. The plugs are compatible with the BJ Launch System. CPND0700T CPN0963T 8

HPHT SYSTEM High Pressure High Temperature The HPHT system is designed to operate in more difficult environmental conditions of high temperature and pressure (up to 175ºC and up to 15,000 psi).

10 HPHT SYSTEM High Pressure High Temperature The HPHT system is designed to operate in more difficult environmental conditions of high temperature and pressure (up to 175ºC and up to 15,000 psi). CPHD1338ST The plugs are made for surface launching and have operating characteristics similar to the standard surface launched plug for good wiping of the casing, a good seal for the cement when being pumped (to avoid contamination) and made of materials that are easily drillable with a PDC bit. The use of an aluminium core allows the plug to be used at higher pressures than the standard plug. The other high quality materials from which the plug is manufactured are HNBR rubber and a bronze shear disc in the bottom plug. The plugs are made from red and black rubber for easy identification. The plugs have optional receiving mechanisms for the bottom plug and can be made with either a solid aluminium top to the top plug or fitted with an aluminium poppet valve to control pressure between the plugs. CPHD0963ST Plugs may be supplied as a set of top and bottom plug or as an individual plug. 9

HPHT SYSTEM (Cont d) Cementing plugs come in a range of sizes from 7 to 14.

13 ⅜ CPHD0963ST 10 ¾ x 9 ⅝ CPHD0700ST 7 ⅝ x 7 The code letter D indicates a set of plugs and

If a poppet valve is required a PV code should be used at the end of the item code.

Minimum constraint to plug travel. Working pressure and temperature.

11 HPHT SYSTEM (Cont d) Cementing plugs come in a range of sizes from 7 to 14. Specifying details are as follows: CPHD0963ST-PV HPHT system Product code Size CPHD1338ST 14 x 13 ⅜ CPHD0963ST 10 ¾ x 9 ⅝ CPHD0700ST 7 ⅝ x 7 The code letter D indicates a set of plugs and can be omitted if single plugs are required. If a poppet valve is required a PV code should be used at the end of the item code. When ordering the following should be specified: Diameter of plug required. Minimum constraint to plug travel. Working pressure and temperature. Receiver connection requirements. Poppet Valve required or not. Pioneer would be pleased to supply associated equipment (cement heads, etc) with this equipment if required. CPHD0700ST-PV CPH0700ST-PV CPH0963ST-PV 10

12 Pioneer Oil Tools Ltd is able to supply a range of ancillary equipment associated with cementing plugs and the cementing process. These items include Darts Balls Float valves and shoes Cementing Heads All items are made from similar high quality materials as the plugs with nitrile rubber, aluminium and nylon parts where items are for downhole use and need to be PDC drillable. When specifying requirements ensure that the whole system is compatible dimensionally and in operating environment parameters. 11

LAUNCHING DARTS AND BALLS Pioneer Oil Tools Ltd Launching Darts and Balls are compatible with the associated range of subsea

The Launch Darts can be supplied with different latching mechanisms, the capability to operate under high pressure

LD0500 The Launching Darts and Balls are made from high quality nitrile rubber and aluminium latching mechanism on the darts

13 LAUNCHING DARTS AND BALLS Pioneer Oil Tools Ltd Launching Darts and Balls are compatible with the associated range of subsea launched cementing plugs and are to industry standard dimensions. Customer-specified dimensions can also be accomodated. The Launch Darts can be supplied with different latching mechanisms, the capability to operate under high pressure conditions if required and a poppet valve feature. LD0500 The Launching Darts and Balls are made from high quality nitrile rubber and aluminium latching mechanism on the darts to ensure that they are PDC drillable. The design of the Launch Darts ensures that they remain stable in the casing during their path to the top cement plug and then latch easily into the plug. LD0663A LB

14 FLOAT COLLARS AND SHOES Pioneer produces a range of dependable float collars for a variety of casing sizes for use with Pioneer cement plugs. PVN0963B The primary feature of all pioneer float collars is the nonreturn valve. This mechanism allows wellbore/drilling fluids and back-flowing cement to be excluded from the casing string. This feature gives the tool its name as each joint run above the valve displaces its own volume of drilling fluid and hence allows the string to partially float, mitigating a portion of the weight of the string. The float collar also incorporates an anti-rotational feature, a quality that permits the easy drilling of Pioneer anti-rotational cementing plugs. In addition a range of float shoes is available to match each float collar. 13

10 ¾ Cement Head These cement heads feature a quick release mechanism that permits rapid connection/disconnection of the

15 CEMENT HEADS Pioneer Oil Tools Ltd has a series of cement heads to be used in conjunction with the range of cement plugs and darts or with other suppliers equipment. 10 ¾ Cement Head These cement heads feature a quick release mechanism that permits rapid connection/disconnection of the cement head from the string. The cement heads are made from high quality materials and are pressure tested. 14 Cement Head Product Cement heads Tested pressure Working pressure 14 Cement Head PSI 7500 PSI 14

16 Sir William Smith Road, Kirkton Industrial Estate, Arbroath, Angus, Scotland, U.K. DD11 3RD Tel: +44 (0) Fax: +44 (0) Website: CEMENTING PLUGS AND As the policy of Pioneer Oil Tools Ltd is one of continual improvement, CP 07/05 we reserve the right to change designs or specifications without notice. Copyright 2005

TYPE CCH HYDRAULIC CASING CUTTER

TYPE CCH HYDRAULIC CASING CUTTER Sir William Smith Road, Kirkton Industrial Estate, Arbroath, Angus, Scotland, U.K. DD11 3RD Tel: +44 (0) 1241 877776. Fax: +44 (0) 1241 871037 E-mail: sales@pioneeroiltools.com Website: www.pioneeroiltools.com