Preskoči na glavni sadržaj
Prijava
Sign up for FREE
arrow_back
Biblioteka

AST Frac Level 1

star
star
star
star
star
Posljednje ažuriranje about 2 years ago
97
Napomena autora:

FE1 frac

1) For numbers >1,000, add a comma as no comma will mark the answer as wrong.

2) All numbers should be reported with 2 decimal places. Ex: 1.00, not 1.

3) Include units in your answer when appropriate. (psi, gal, bbl, lbs, gpt, rpm)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Pitanje 1
1.

Please find the Hydrostatic Pressure at TVD if we are pumping a sand concentration of 1.75ppg.

Pitanje 2
2.

If flush is 325 bbls, how many gallons is that?

Pitanje 3
3.

If 1,000 gallons of acid are pumped, how many barrels is that?

Pitanje 4
4.

Find the density of slurry if the target concentration is 1.25 ppg.

Pitanje 5
5.

What is the hydrostatic pressure if max concentration was 2.00 ppg and max rate was 100 bpm? ISIP was 3,550 psi and bottom hole pressure was 9,578 psi on flush.

Pitanje 6
6.

Find the FG is the well has an ISIP of 2500 psi and a TVD of 5500', assume the well was flushed with fresh water.

Pitanje 7
7.

Find the wellbore volume, in barrels, of #17 5.50" casing with a bottom perforation @ 15,678'.

Pitanje 8
8.

Find the clean rate when you are pumping at a rate of 100bpm with a sand concentration of 0.75ppg. Assume the SG of the sand is 2.65

Pitanje 9
9.

If you have a frac gradient of 0.88 and a TVD of 8,674' what is the bottom hole pressure?

Pitanje 10
10.

What is the bottom hole pressure if you are on 1.75ppg and the wellhead is currently at 8,788 psi? TVD of the well is 9,647'.

Pitanje 11
11.

How much proppant did you pump if you pumped 1,267 bbls of slurry at 1.75 ppg?

Pitanje 12
12.

If 38,329 lbs of 36% (really 35.21%) acid is delivered, how much 15% acid will we have on location?

Pitanje 13
13.

If 9,126 gals of 36% acid is ordered and it needs to be diluted to 15%, how many barrels of water needs to be delivered first?

Pitanje 14
14.

How much FR is pumped, on flush, if it has a setpoint of 0.75 and 325 slurry barrels were pumped?

Pitanje 15
15.

At what rate, in gpm, is FR being pumped during the initial pad if rate is 109.6 bpm and FR loading is at 1.0 gpt?

Pitanje 16
16.

Find the total RPMs of the augers if there is a clean rate of 99.7 bbl/min at a concentration of 0.75 ppg and the PPR is at a 30 lbs/rev.

Pitanje 17
17.

How many suction hoses do you need, attached to the blender, if the target rate is 110 bpm at 2.5 ppg concentration?

Pitanje 18
18.

What is the maximum rate that can go through iron if it has an OD of 4" and ID of 3.8"?

Pitanje 19
19.

How many discharge hoses do you need, attached to the blender, if the target rate is 110 bpm at 2.5 ppg concentration?

Pitanje 20
20.

How much horsepower is our fleet running if average is pressure is 8,250 psi @ 101.1 bpm?

Pitanje 21
21.

How much fuel do we have on location if we have 10,000 gal in the frac tanks and 20 pumps on location? *Assume fuel tanks are at 75%

Pitanje 22
22.

Explain what hydraulic fracturing is.

Pitanje 23
23.

What is the purpose of hydraulic fracturing?

Pitanje 24
24.

Label the parts of this frac location.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

6

arrow_right_alt

Frac Pumps

5

arrow_right_alt

Proppant Storage (Sand Silos, Sandkings, etc.)

9

arrow_right_alt

Fluid Storage (Water Transer, Frac Tanks, Water Silos, etc.)

7

arrow_right_alt

Wellheads/Zipper manifold

3

arrow_right_alt

Pumpdown unit

8

arrow_right_alt

Wireline Crane

2

arrow_right_alt

Manifold (Missile, Monoline, etc.)

4

arrow_right_alt

Chemical Units (Chemadd, Chemical Trailer, Totes, etc.)

1

arrow_right_alt

Blender

Pitanje 25
25.
Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Zipper Manifold

arrow_right_alt

Change the flow of the fluid

Chiksan (Swivel Joint)

arrow_right_alt

Distributes fluid from blender to the pumps and from the pumps to the wellhead

Bleed-off Valves

arrow_right_alt

Prevents flowback from well to frac equipment

Pressure relief systems

arrow_right_alt

Bleeds off pressure from frac equipment

Missile (Manifold)

arrow_right_alt

Safety valves to ensure pressure does not exceed max allowable pressure.

Check Valve

arrow_right_alt

Connects wellheads to allow for faster operations

Pitanje 26
26.

What is the difference between pressure A & B

Pitanje 27
27.

Where is the transducer for pressure A?

Pitanje 28
28.

What iron rating to use for a line expected to hold 13500 psi?

Pitanje 29
29.

Where is the transducer for the zipper manifold?

Pitanje 30
30.

What are the hoses on the suction side of the blender hooked to?

Pitanje 31
31.

What are the hoses on the discharge side of the blender hooked to?

Pitanje 32
32.

What is the size of a standard tote?

Pitanje 33
33.

What is an ISO?

Pitanje 34
34.

Generally, which sand has higher density, 100 mesh or 40/70?

Pitanje 35
35.

Approximately how many pounds of sand does a sand truck carry? How many trucks to fill up a Solaris silo?

Pitanje 36
36.

How does sand get from the silos/sand kings to the blender tub?

Pitanje 37
37.

What are the engines on the blender used for?

Pitanje 38
38.

What part of operations could cause a drop in the inline such as in the plot below?

Pitanje 39
39.

Describe what effect is happening during this section of the plot.

Pitanje 40
40.

Describe what the treater means when he asks the blender tender for boost

Pitanje 41
41.

What is a screen-out?

Pitanje 42
42.

What does it mean when a pump operator asks for PTO?

Pitanje 43
43.

What does it mean when the treater tells the crew to prime up?

Pitanje 44
44.

What process happens after the line boss says, "Pop off closed, bleed off closed, line clear"?

Pitanje 45
45.

Describe the difference between pressure A and pressure B

Pitanje 46
46.

What does it mean if a treater tells you the down time was due to replacing a rubber?

Pitanje 47
47.

What does it mean the fluid tech is getting a "strap"

Pitanje 48
48.

Describe what the treater means when he tells the blender tender to go to 1 pound.

Pitanje 49
49.

Describe the difference between preflush and flush.

Pitanje 50
50.

Describe what is the purpose of a pump in frac operations.

Pitanje 51
51.

Describe what a blender does in frac operations.

Pitanje 52
52.

Explain the purpose of the missile during frac operations.

Pitanje 53
53.

Describe ISIP and how to find it.

Pitanje 54
54.

Match the pressure types with the correct description.

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Perforation friction pressure

arrow_right_alt

Pressure at the wellhead also known as surface treating pressure.

Instantaneous shut-in pressure

arrow_right_alt

Pressure exerted by the wellbore fluid due to depth and density.

Injection pressure

arrow_right_alt

Pressure loss due to fluid friction.

Closure Pressure

arrow_right_alt

Treating pressure + hydrostatic pressure - pipe friction - perforation friction

Bottom hole pressure

arrow_right_alt

Friction due to fluid moving through restricted area of perforations

Hydrostatic pressure

arrow_right_alt

Pressure caused by complex fluid path

Pipe friction pressure

arrow_right_alt

Pressure when rate goes to zero.

Tortuosity pressure

arrow_right_alt

The minimum pressure required to keep the fracture open.

Pitanje 55
55.

Match the type of frac fluid component with its purpose

Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Biocide

arrow_right_alt

Dissolves formation and increases fracture conductivity

Surfactant

arrow_right_alt

Prevents bacteria growth

Corrosion inhibitor

arrow_right_alt

Slowly breaks down FR to help with fluid recovery

Scale inhibitor

arrow_right_alt

Reduces swelling in clay formations

Breaker

arrow_right_alt

Links polymers to make a viscous fluid

Clay Inhibitor

arrow_right_alt

Reduces friction in wellbore

Acid

arrow_right_alt

Increases viscosity of frac fluid to carry proppant

Gel

arrow_right_alt

Prevents mineral deposits from building up in the wellbore

Crosslink

arrow_right_alt

Reduces surface tension of frac fluid

Friction reducer

arrow_right_alt

Protects the wellbore from corroding

Pitanje 56
56.

What is the difference between formation breakdown and acid breakdown?

Pitanje 57
57.

Select all the types of frac proppant

Pitanje 58
58.

What is the common SG of frac proppant?

Pitanje 59
59.

What is the difference between 100 mesh sand and 40/70 sand?

Pitanje 60
60.

What test is done, in the field, to analyze sand size?

Pitanje 61
61.

What should the pH of slickwater be?

Pitanje 62
62.

Bleed off valves are located before the check valve.

Pitanje 63
63.

Where are popoffs placed?

Pitanje 64
64.
Pitanje 65
65.

Which process is essential before resuming operation every time the line is broken for pumps swap or changing pieces of iron?

Pitanje 66
66.

Why is it important for the treater to record the closure pressure of a well?

Pitanje 67
67.
Stavka koja se može prevućiarrow_right_altOdgovarajuća stavka

Treater

arrow_right_alt

Controlling chemical setpoints and maintaining chemical pumps

Fluid Tech

arrow_right_alt

Responsible for all the iron, open and closing the well, looking for leaks

Sand Operator

arrow_right_alt

Often the outside supervisor, straps chemicals, moves ISOs, and calibrating chemical pumps.

ChemAdd Operator

arrow_right_alt

Ensures hopper stays full of sand

Sand Coordinatior

arrow_right_alt

Maintaines pumping rate

Line Boss

arrow_right_alt

In charge of all electronics on site including: maintaining communications, pressure transducers, pump control boxes, and the datavan.

Pump Operator

arrow_right_alt

Oversees the frac operation on their shift. Ensures operations run smoothly and efficiently.

E-Tech

arrow_right_alt

Directs sand deliveries and offloading into the correct storage compartment.

Pitanje 68
68.
Drugi mogući odgovor:
Acid Breakdown
Ball Seat
Formation Breakdown
Pitanje 69
69.

What is the area within the high pressure zone called?

Pitanje 70
70.

What does a green hardhat represent?

Pitanje 71
71.

What kind of gloves is required when handling frac iron?

Pitanje 72
72.

Which of the following are AST-required PPE? Select all that applies

Pitanje 73
73.

If they discover a pin hole leak on the suction manifold of the monoline, what type of NPT would it be considered?

Pitanje 74
74.

Classify the following into pump maintenance or pump failure (NPT)

Pump maintenance

Pump failure (NPT)

Packing/Plunger

Mechanical issue (overheating, drive shaft, etc.)

Seat & valves

Cracked fluid end

Water in fuel lines

Scheduled PMs

Unscheduled PMs

Pitanje 75
75.

Which of the following is considered Customer NPT?

Pitanje 76
76.

How much sand is in the silo if it is at 47%?

Pitanje 77
77.

How much time from does it take to empty a full silo? Assume a 75 min cycle time, 120k lbs per sand type, an average truck size of 48,000 lbs, and 8 trucks per Silo.

Pitanje 78
78.

In preparing to wrap up a Endeavor's job, the sand tracker says the amount of sand needed to complete the job is 355,431 of 100M and 246,025 of 40/70, how would you place your sand order?

Pitanje 79
79.

How would you order 75000 lbs of 100M to complete a job?

Pitanje 80
80.

What additional screens need to be set-up prior to starting job upon arrival to job location?

Pitanje 81
81.

When setting up DataAcq, what needs to be checked in Job Header Information or else the job data will not be uploaded to the server?

Pitanje 82
82.

To have engineer/treater/consultant names auto-populate on the report, where would you input the names?

Pitanje 83
83.

Which of the following eFieldPro dashboards AST field engineer use to check whether frac plots and chems & sand straps are uploaded correctly?

Pitanje 84
84.

When populating the Reference Sheet on the Engineering Report, what cell needs to be manually inputted?

Pitanje 85
85.

Select the option that has the following stage order.

1. 111-1

2. 212-1

3. 151-1

4. 252-1

5. 212-2

6. 111-2

7. 151-2

8. 212-3

Pitanje 86
86.

What column should be hidden on the Field Ticket Sheet?

Pitanje 87
87.

You send out an stage update email and it says "Stage 1 of 52" when it should be "Stage 3 of 52". Which Excel file/tab do you need to check & correct?

Pitanje 88
88.

AST does not charge the Endeavor directly for the amounts of FR and Surf, but does charge for Breaker, which usage quantities should be recorded on our Master & Data excel?

Pitanje 89
89.

The slickwater job calls for 0.5 on Ace Flow 3300, 1 on ME-350, 0.25 on ABK101. Select the correct fluid matrix

Pitanje 90
90.

What is the maximum amount that should be remaining in an ISO when a delivery is getting offloaded into it?

Pitanje 91
91.

How much lead time should generally be given for chemical orders?

Pitanje 92
92.

At the end of the job, on what documents should the total sand used be the same?

Pitanje 93
93.

How many hours ahead of start time is it best to schedule chem ISO delivery for a new job?

Pitanje 94
94.

When should ISO pickups be scheduled?

Pitanje 95
95.

It is a good practice to hide the "Discount %" column on the Field Ticket before printing it out for signatures?

Pitanje 96
96.

What part of the inventory must be zeroed out at the end of a job?

Pitanje 97
97.

According to engineering SOP, when should field engineers have the job folder uploaded to the AST's company drive?