A

Question 1

A relatively impermeable rock, commonly shale, anhydrite or salt, that forms a barrier or seal above and around reservoir rock so that fluids cannot migrate beyond the reservoir is called?

Answer 1

Cap Rock

Question 2

What are the 2 most common reservoir rocks?

Answer 2

Sandstone and Carbonates

Question 3

The proccess in which hydrocarbons move from one porous and permeable rock to another is called?

Answer 3

Migration

Question 4

Siliceous environments, named for the silica-rich shells deposited in them. Where does this environment occur?

Answer 4

deep-sea

Question 5

Sedimentary layers (strata) and lava flows were originally deposited as relatively horizontal sheets. This principle is known as Principle of?

Answer 5

Original Horizontality

Question 6

Any feature that cuts across a rock or body of sediment must be younger than the rock or sediment it cuts across. This principle is known as?

Answer 6

Cross-Cutting

Question 7

Dense, viscous mixtures of sediment and water in which the volume and mass of sediment exceeds that of water known as?

Answer 7

Debris

Question 8

Gravity driven turbid mixtures of sediment temporarily suspended in water are called?

Answer 8

Turbidity Currents

Question 9

In which of the following sedimentary environments would you least expect to find gravel?

Answer 9

Deep Marine

Question 10

When the particles move in a series of jumps, periodically leaving the bed surface and carried short distances within the body of the fluid before returning to the bed again is called?

Answer 10

Saltation

Question 11

The tendency for variations in current velocity to segregate sediments on the basis of particle size is called?

Answer 11

Sorting

Question 12

What is the common rock-forming mineral which is known as dolomite?

Answer 12

CaMg(CaCO3)2

Question 13

The processes responsible for changing sediments into sedimentary rock are compaction and?

Answer 13

Cementation

Question 14

Proses di mana terjadi presipitasi kimia pada pembentukan kristal baru, terbentuk didalam pori-pori sedimen atau batuan yang mengikat satu butir dengan butir lainnya disebut?

Answer 14

Sementasi

Question 15

Apakah yang dimaksud dengan aquifer?

Answer 15

Bagian reservoir minyak yang mengandung air

Question 16

Minyak yang terbentuk dari hasil penyulingan destruktif batu bara disebut?

Answer 16

Coal oil

Question 17

Suatu kejadian geology dimana permukaan laut naik relatif terhadap tanah dan garis pantai bergerak menuju tempat yang lebih tinggi yang disebabkan karena tenggelamnya tanah atau adanya cekungan tanah yang diisi air laut disebut?

Answer 17

Transgression

Question 18

What kind mineral that will be form after antracite ?

Answer 18

Diamond

Question 19

Mention one of type of subduction that happen in Indonesia ?

Answer 19

Oblique Subduction to Sumatera

Question 20

What is the unit of permeability?

Answer 20

Darcy / MilliDarcy

Question 21

Movement of the shoreline seawards as a result of sedimentation occuring at the coast is called?

Answer 21

Regression

Question 22

What is the principal compound in limestone?

Answer 22

CaCO3

Question 23

23. What are the two types of microfossils which have shells made of CaCO3 (Calcium Carbonate)?

Answer 23

Foraminifera

Question 24

Pergeseran atau penurunan mendadak dari suatu bagian lapisan tanah dari posisi asalnya disebut?

Answer 24

Fault/sesar

Question 25

What Causes of Transgresive System Tract ?

Answer 25

Retrogradational/Transgresive.

Question 26

When the gravel-sized particle in coarse detrital rock are angular. What will be the rock called?

Answer 26

Breccia

Question 27

Why coal can be used as source rock and reservoir ?because..

Answer 27

Have coal matrix

Question 28

struktur geologi berbentuk lengkung yang terdiri atas batuan sedimen disebut?

Answer 28

Fold

Question 29

Hydrocarbon impurities Bellow, except!

Answer 29

Carbon (C)

Question 30

Penyumbang Secondary Porosity terbesar pada Basement reservoir adalah?

Answer 30

Fracturing