Oil and gas production handbook An introduction to oil ... - ABB Group

More documents

Recommendations

Info

Synthesis gas can also be created from natural gas by lean combustion or steam reforming: CH 4 + 1/2O 2 → CO + 2H 2 CH 4 + H 2 O → CO + 3H 2 Lean combustion Steam reforming This can be fed to the water shift reaction and to the F-T process. This process, together with the following application, are often called gas to liquids (GTL) processes. An alternative use of the synthesis gases (CO and H 2 ) is production of methanol and synthetic gasoline: 2 H 2 + CO → CH 3 OH Methanol synthesis Then, the methanol is converted to synthetic gasoline in the Mobil process. 2 CH 3 OH → CH 3 OCH 3 + H 2 O Dehydration to dimethyl ether The second stage further dehydrates the ether with ceolite catalyst to yield a synthetic gasoline with 80% carbon number 5 and above. 9.1.6 Methane hydrates Methane hydrates are the most recent form of unconventional natural gas to be discovered and researched. These formations are made up of a lattice of frozen water, which forms a sort of cage around molecules of methane. Hydrates were first discovered in permafrost regions of the Arctic and have been found in most of the deepwater continental shelves tested. The methane originates from organic decay. At the sea bottom, under high pressure and low temperatures, the hydrate is heavier than water and cannot escape. Research has revealed that this form of methane may be much more plentiful than first expected. Estimates range anywhere from 180 to over 5800 trillion scm. The US Geological Survey estimates that methane hydrates may contain more organic carbon than all the world's coal, oil, and conventional natural 132
gas – combined. However, research into methane hydrates is still in its infancy. 9.1.7 Biofuels Biofuels are produced from specially-grown products such as oilseeds or sugars, and organic waste, e.g., from the forest industry. These fuels are called carbon neutral, because the carbon dioxide (CO 2 ) released during burning is offset by the CO 2 used by the plant when growing. Ethanol alcohol (C 2 H 5 OH) is distilled from fermented sugars and/or starch (e.g., wood, sugar cane or beets, corn (maize) or grain) to produce ethanol that can be burned alone with retuning of the engine, or mixed with ordinary gasoline. Biodiesel is made from oils from crops such as rapeseed, soy, sesame, palm or sunflower. The vegetable oil (lipid) is significantly different from mineral (crude) oil, and is composed of triglycerides. In these molecules, three fatty acids are bound to a glycerol molecule shown in the following picture (The wiggly line represents the carbon chain with a carbon atom at each knee with single or double bonds and two or one hydrogen atoms respectively): Figure 38, Vegetable Oil structure The glycerol backbone on the left is bound (ester OH binding) to three fatty acids, shown here with palmitic acid, oleic acid and alpha-linolenic acid and a total carbon number of 55. This molecule is broken down to individual alkyl esters through a chemical process called transesterification, whereby the glycerin is separated from the fatty acids. Methanol (CH 3 OH) is added to the lipids and heated. Any strong base capable of deprotonating the alcohol, such as NaOH or KOH is used as catalyst. 133
Page 1 and 2:
Håvard Devold Oil and gas producti
Page 3:
PREFACE This handbook has been comp
Page 6 and 7:
4.1.1 Pipelines and risers ........
Page 8 and 9:
9.1.7 Biofuels ....................
Page 10 and 11:
arrels per day in October, 1861, an
Page 12 and 13:
2 Facilities and processes The oil
Page 14 and 15:
Although there is a wide range of s
Page 16 and 17:
day GOSP. Product is sent from the
Page 18 and 19:
FPSO: Floating Production, Storage
Page 20 and 21:
water depths from 300 up to 3,000 m
Page 22 and 23:
For gas gathering systems, it is co
Page 24 and 25:
2.3.5 Utility systems Utility syste
Page 26 and 27:
for the operation of the pipeline.
Page 28 and 29:
Photo: DOW, Terneusen, Netherlands
Page 30 and 31:
particular crude is merely a measur
Page 32 and 33:
3.1.3 Condensates While the ethane,
Page 34 and 35:
each different parts of the structu
Page 36 and 37:
around 4.5 MPa. During production,
Page 38 and 39:
well from caving in and to help in
Page 40 and 41:
well to add multiple completions to
Page 42 and 43:
Variable flow choke valve. The vari
Page 44 and 45:
motor drives a reciprocating beam,
Page 46 and 47:
The cycle starts with the plunger f
Page 48:
4 The upstream oil and gas process
Page 51 and 52:
The desired setting for each well a
Page 53 and 54:
Emergency valves (EVs) are sectioni
Page 55 and 56:
The environmental regulations in mo
Page 57 and 58:
Heat exchangers of various forms ar
Page 59 and 60:
• Reciprocating compressors, whic
Page 61 and 62:
Figure 8. Compressor state diagram
Page 63 and 64:
4.4 Oil and gas storage, metering a
Page 65 and 66:
Gas metering is less accurate than
Page 67 and 68:
5 Midstream facilities Raw natural
Page 69 and 70:
o o Acid gas has a high content of
Page 71 and 72:
5.3.1 Acid gas removal Acid gases s
Page 73 and 74:
5.3.4 Nitrogen rejection Excessive
Page 75 and 76:
5.4 Pipelines Pipeline installation
Page 77 and 78:
pressure-reducing turbines (or brak
Page 79 and 80:
LNG carriers are used when the tran
Page 81 and 82:
Typical LNG train power use is abou
Page 83 and 84:
The dual cycle mixed refrigerant (D
Page 85 and 86:
6 Refining Up to the early 1970s, c
Page 87 and 88:
3 and 4 and boiling points -42 °C
Page 89 and 90: Figure 20. Refinery process flow di
Page 91 and 92: Distillate hydrotreater units desul
Page 93 and 94: 2 H 2 S + O 2 → S 2 + 2 H 2 O The
Page 95 and 96: 7 Petrochemical Petrochemicals are
Page 97 and 98: products. Almost all aromatics come
Page 99 and 100: formed into molded products. Nylon
Page 101 and 102: chains with only two, three or four
Page 103 and 104: appliance housings, dishwasher-proo
Page 105 and 106: ubber is a vinyl polymer, and is ve
Page 107 and 108: terephthalic acid (PTA) as the pref
Page 109 and 110: • Field instrumentation: sensors
Page 111 and 112: • Optimization of various process
Page 113 and 114: to-end safety integrity level. The
Page 115 and 116: PSD and can be handled with less st
Page 117 and 118: P&ID 109
Page 119 and 120: system by means of the available co
Page 121 and 122: • Flowline control to stabilize m
Page 123 and 124: numerical or computed variables are
Page 125 and 126: training facilities are often conne
Page 127 and 128: Therefore use of large variable spe
Page 129 and 130: desalination of seawater though dis
Page 131 and 132: Polyelectrolyte Methanol (MEG) TEG
Page 133 and 134: · Mandatory radio system · Securi
Page 135 and 136: 9 Unconventional and conventional r
Page 137 and 138: eleases bitumen from the oil sand,
Page 139: after well completion and fracturin
Page 143 and 144: 9.1.8 Hydrogen Although not a hydro
Page 145 and 146: and gas, the remainder is coal, pea
Page 147 and 148: The main contribution to sea level
Page 149 and 150: 10 Units Some common units used in
Page 151 and 152: 11 Glossary of terms and acronyms A
Page 153 and 154: MEG MEK MMA MP MPA MPG / USP MSDS M
Page 155 and 156: 12 References Web online sources an
Page 157 and 158: cumene ............................
Page 159 and 160: polybutadiene .....................
Page 161 and 162: 153
show all

Oil and gas production handbook An introduction to oil ... - ABB Group

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?