Cementing Equipment Flashcards

1
Q

Super Seal II Float Shoes and Collars

A

Heart of the Halliburton float equipment.

  • Single or double valve options
  • Sealing String for inner string cementing.
  • Down Jet and high port up jet float shoes
  • Autofill standard

0withstands 24 hr. 10 bbl/min with 2-4$ sand . up to 12.5 gal mud and a 5000 lb backpressure after 8 hour 400 degree heat soak

API 3C.

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2
Q

Super Seal 2 variations

A

Down Jet Float Shoe
High Port up Jet Float Shoe
Non Rotating
Double Valve

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3
Q

Down Jet Float Shoe

A

Holes in the side as well as the bottom of the shoe for increased cleaning efficiency.

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4
Q

High Port Up Jet

A

60% fluid through the side ports upward to prevent bridging or cave in debris. 6 up jet and as many as 4 downjet.
HELPS Prevent Channeling. Creates circular fluid movement which creates turbulent flow at the shoe.
improves mud displacement
excellent filter cake removal

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5
Q

Non rotating

A

Easy drillout of collar.

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6
Q

Centralized Float Shoes and Collars

A

Act as a built in rigid centralizer to help guarantee standoff at shoe.

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7
Q

Super Seal II made of and flow rates

A

PDC drillable and made with no steel or cast iron. The spring is made from bronze. the 2 3/4 is rated at 10 bbl/ min the 4 1/4 is 25 and 2 1/4 is 6. Up to 4 inch casing, 4-7 and over 7.

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8
Q

Trophy Seal

A

Builds off Super Seal equipment to offer the dependability you expect. For non critical, shallow well needs. 1500 psi at 250 2500 at 150, autofill optional, k55 only
APC 1A

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9
Q

Insert Float Valves

A

Low bottom hole temps and casing back pressure of 2500 psi. Very cheap.

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10
Q

Insert Poppet Valves

A

Cheap for aggressive sales opportunities. Maximum reliability. Poppet valve to replace flapper valve. 3000-2000 at 200F

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11
Q

Pressure Differential Float

A

PDF equipment permits fluid entry into the casing through the bottom to maintain a controlled differential pressure between the outside and inside of the casing being run into the hole .

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12
Q

Casing Attachments

A

Equipment is attached to the OD as the casing is run into the hole to help ensure proper mud removal and a successful primary cementing job.

Think of this as a cheap insurance plan to a very expensive remedial operation.

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13
Q

Bow Spring Centralizer

A

Reduces Drag while running.
centralizes in the hole. helps prevent differential sticking.
Increases fluid turbulence.

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14
Q

Rigid Centralizers

A

suited for highly deviated wellbores.

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15
Q

GravelPack Centralizers

A

Can Slide through close tolerance casing combinations and ensure proper gravel packing.

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16
Q

Protech Centralizer

A

Mechanically formed and chemically bonded however the customer wants.

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17
Q

Centek Slider 2

A

One Piece solid body bow spring centralizer. High end.

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18
Q

Ray Oil Tool Solid Aluminum Centralizer

A

Solid Blade Centralizer are cast of high strength aluminum alloy. High impace and shock resistance.

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19
Q

Scratchers and Wipers

A

help remove filter cake and gelled mud from the wellbore walls. This will provide better bonding surfaces for the cement and isolates one zone from another.

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20
Q

Cement Baskets

A

Used to support a weak formation that is sensitive to hydrostatic pressure while the cement sets.
Metal Petal Baskets
Canvas Cement Basket

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21
Q

Main Plug COntainers

A

The Compact Plug Container
Light Weight PLug Container
High Pressure Plug Container.

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22
Q

Swages

A

Bar Type Swage
Quick latch COupler
Fully molded

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23
Q

Bar Type Swage

A

Sometimes necessary to circulate drilling fluid prior to reaching TD. Limited long space for power tight make up. It is just a shorter version of the Fully Molded which is used when circulating pressures are expected to be higher.

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24
Q

Types of Wipers

A

High Wiping Efficiency (HWE)
5 Wiper Cementing PLugs
Latch Down Plugs.

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25
Q

Three ends of th HT-400

A

Power End, Spacer, Fluid End

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26
Q

What does the power end do?

A

The Power end takes energy that is generated by the engine and turns it into power that can be used by the fluid end.

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27
Q

What is the purpose of the spacer

A

The Spacer helps prevent fluids from escaping from the fluid end into the power end cavity.

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28
Q

Fluid End

A

uses energy that has been modified by the power end to move cement and other materials.

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29
Q

What does a HPUJ shoe do?

A

A high port up jet shoes, jets formation to remove detrimental mud cake and cuttings for good cementing efficiency around the shoe.

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30
Q

What is the pressure rating on a bottom plug

A

750 PSI

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31
Q

Can a top plug be ruptured?

A

No.

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32
Q

Why do we use bottom plugs

A

Separates the job fluid from the well fluid and cleans the pipe.
Allows the spacer to work in the annulus rather than the pipe.

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33
Q

How does the automatic fill in SSII work

A

Tabs hold open the one way check valves while the casing is being run into the hole.
protects formations from ram effect during casing run.

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34
Q

Why are cement plugs used?

A

To wipe the inside of the casing. The top plug is a physical end to displacement.

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35
Q

At what flow rates will the autofill feature deactivate

A

5 bbl/min

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36
Q

In what circumstance would you recommend using a float shoe or guide shoe.

A

We recommend using a guide shoe every time.

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37
Q

What is the purpose of a float shoe/collar

A

Check valves
Bleed pressure on casing
PRevent a UTube

38
Q

What max angle do we recommend using for bow spring centralizers?

A

10%

39
Q

What centralizers do we stock

A

Centek, Rigid, Bowspring

40
Q

Above the max angle, what do we recommend.

A

Centek, able to support the weight of the casing.

41
Q

What type of centralizer do you recommend through a salt section.

A

Centek. Something that can withstand corrosion.

42
Q

What standoff do we recommend for our centralizers?

A

70% min and 100% if possible.

43
Q

Can our recommended standoff be achieved in a horiz?

A

yes

44
Q

What is Weld A?

A

Chemical weld, locks float equipment to the casing.

45
Q

What are limit clamps used for?

A

Used to secure centralizers in the middle of the casing.

46
Q

Why run a stage tool?

A
  1. The lower formation can not support the hydrostatic of cement.
  2. only want to cement an upper section
  3. Higher temps alter correct placement and thickening time.
47
Q

Advantages Disadvantages of a type H

A

Advantages-
1. Set in a horizontal. There is less time to open tool and circulate.
2. in air drilled holes
Disadvantage-
1. Can accidentally open.
2. Have to be careful with circulating pressures.

48
Q

Advantages Disadvantages of type P

A
Advantages
1. Do not have to be careful with circulation rates
2. no worry about premature opening.
Disadvantages
1. Can't be used in a horizontal...
49
Q

Difference between a PDC and TriCone bit

A

Poly Dicrystaline - Solid Body bits - Drills laterals faster.
TriCone

50
Q

Max angle a type P can be used.

A

30%

51
Q

Is the “bomb” PDC drillable

A

Yes, Composite but aluminum is a bit more difficult.

52
Q

Is there an alternative to a bomb?

A

Cancelation plug… weight to shift.

53
Q

What is the freefall plug made of?

A

Composite or aluminum.

54
Q

What is the first plug dropped called?

A

Shut off plug… Smallest OD

55
Q

What is the last plug called?

A

Closing plug. Pre loaded, closes the tool.

56
Q

What determines the opening pressure on a type H

A

The number of pins.

57
Q

How many pins do we load out type H stage tool?

A

Depends on the casing strength

58
Q

How many pins does it come loaded with?

A

4

59
Q

At what pressure does a stage tool open at?

A

1750

60
Q

Before a stage tool leaves the yard, what must be done?

A

Calibration between the plug and tool set.

61
Q

Where is a stage tool placed in the wellbore?

A

Just above the weak zone.

62
Q

How long do we wait in between stages?

A

Until CSGS (100 lb/100ft2)

63
Q

When should a stagetool not ne run?

A

When the formation can handle a fully cemented column.

64
Q

What Spacer System would we use if Oil based mud and what surfactants would we put in it?

A

TS3.
Cem7- Designed to destroy oil properties
Musal A
Deair

65
Q

Why do we run a lead and tail cement

A

Lead is a filler cement, less hydrostatic pressure and cheaper.

66
Q

What kind of excess do we recommend with no caliper?

A

30% plus or minus. It all depends on the customer and their preference. There definitely needs to be excess. A plug can be in percentage or feet.

67
Q

At what height do we charge for a derrek charge?

A

7 ft.

68
Q

What are the formations to worry about?

A

Sussex - around 4300
Sharron Springs - around 6500 in the middle of the horizontal for many complaies foing to the niobrera
Jsand is weak - at 8500

69
Q

For a plug to abandon what needs to be covered?

A

Production Zone and all existing perfs
Bottom of the intermediate or wherever the casing is cut.
Bottom of surface
Top of surface.

70
Q

Reasons for float equipment

A

provides buoyancy
prevent reentry of cement
guides casing into hole
landing seat for plugs

71
Q

Level 3 collar performance test

A

24 hr. 12 lb 4% sand 10 bpm 5000 psi

72
Q

Types of float valves

A

Insert poppet, ball, poppet

73
Q

Trophy seal

A

category 1 a rated - 8 hrs, 10 bbl.min 1500 psi

74
Q

What size valves does SS2 come in

A

2.75 and 4.25 inch The 4.25 inch has gone 25bpm for 24 hours.

75
Q

Autofill feature

A

Protects casing against collapse
reduces ram pressure on formation
reduces surface fill time

76
Q

Deactivate

A

4-6 or 6-8 on the 4.25

77
Q

different float shoe noses

A

wedge nose, reamer, tiger teeth, centralized

78
Q

PDF float equipment

A

for circulating or running in hole. 1-3 bb/m to land ball 900-1200 psi to deactivate

79
Q

reasons for innerstring cementing

A

avoids casing collapse
reduces drillout time
no large plugs
prevents channeling in large casing

80
Q

852 series packer shoe

A

circulate or float casing in well, call activated at 1200. available in 855 option too with autofill feature. w. latchdown plug

81
Q

Plug container options

A

quick latch
SPCH - adjustable
Compact plug container - single or double. most common

82
Q

Reasons for using plugs

A

surface indicator
separation between mud and cement or spacer, prevents over displacement
removes mud.

83
Q

HWE plugs - deep cup design

A

provides increased rubber casing contact which provides improved wiping efficiency.

84
Q

5 wiper plugs rupture

A

350 psi bottom rupture. 750 on NR

2.375 - 20 inch. compatable with all muds

85
Q

advantage of NR plug

A

Reduces drillout

86
Q

4 reasons for Multiple stage cementing

A

Cement hydrostatic to ogreat for formation
pump time > thickening time
only want to cement certain portions of annulus.
Different blends of cement must safely be pumped

87
Q

size and grades of msc

A

4.5 in - 20 inch

L80

88
Q

shoe attachement options

A

tiger tooth
wedge shoe
plastic
down jet

89
Q

Darts need a _____ to land

A

Baffle

90
Q

How are the centeks made

A

single sheet, laser cut and fit together. Patented heat treating.