06 PNPP PERHITUNGAN KUANTITAS

PERHITUNGANPERHITUNGAN

KUANTITASKUANTITAS

SISWANTO

PROSEDUR YANG DIGUNAKAN UNTUK OPERASI SERAH TERIMA (CUSTODY TRANSFER) DI BERBAGAI NEGARA, PORT ATAU TERMINAL / INSTALASI BISA BERBEDA SATU DENGAN LAINNYA.

UMUM

SIS1207

TOV : TOTAL OBSERVED VOLUME.

FRA : FLOATING ROOF ADJUSTMENT.

CTSh : CORRECTION FOR TEMPERATURE OF TANK SHELL.

FW : FREE WATER.

GOV : GROSS OBSERVED VOLUME.

VCF : VOLUME CORRECTION FACTOR.

GSV : GROSS STANDARD VOLUME.

WCF : WEIGHT CONVERSION FACTOR.

GSW : GROSS STANDARD WEIGHT.

ISTILAH DAN SINGKATAN

SIS0307

S+W : SEDIMEN AND WATER.

CSW : CORRECTION (FACTOR) FOR SEDIMENT AND WATER.

NSV : NET STANDARD VOLUME.

NSW : NET STANDARD WEIGHT.

TCV : TOTAL CALCULATED VOLUME.

ISTILAH LAIN (TANPA PENYINGKATAN YANG BAKU):

- REFERENCE HEIGHT.

- OBSERVED HEIGHT ATAU MEASURED HEIGHT.

- WET DENSITY DAN DRY DENSITY.

- LOADED DAN DISCHARGED.

ISTILAH DAN SINGKATAN

SIS0307

PENEMPATAN DESIMAL BERIKUT INI (REKOMENDASI DARI API CHAPTER 12.1.1) DIGUNAKAN, SELAMA PROSEDUR PELAPORAN TIDAK BERTENTANGAN DENGAN PRAKTEK TERMINAL.

PELAPORAN DESIMAL

SIS0307

- TANK REFERENCE HEIGHT.

- TANK MEASURED (OBSERVED) HEIGHT.

- PRODUCTS DIP (INNAGE) ATAU ULLAGE (OUTAGE).

- FREE WATER DIP.

- TANK TEMPERATURE (OC / OF).

- TANK DENSITY ATAU API GRAVITY.

- S+W VOLUME %.

- TANK AMBIENT TEMPERATURE.

DATA LAPANGANSHORE TANKS

SIS0307

- FOREWARD DAN AFTERWARD DRAFT.

- LIST DEGREE (PORT OR STARBOARD).

- TANK REFERENCE HEIGHT.

- TANK MEASURED (OBSERVED) HEIGHT.

- PRODUCTS DIP (INNAGE) ATAU ULLAGE (OUTAGE).

- FREE WATER DIP.

- TANK TEMPERATURE (OC / OF).

- TANK DENSITY OR API GRAVITY.

- S+W VOLUME %.

DATA LAPANGANSHIP TANKS

SIS0307

- DENSITY PADA TEMPERATUR STANDARD (15OC

ATAU 60OF).

- FLOATING ROOF ADJUSTMENT (FRA).

- KOREKSI TEMPERATUR PADA TANK SHELL (CTSh),

JIKA ADA.

- TOTAL OBSERVED VOLUME (TOV).

- FREE WATER VOLUME (FW).

- GROSS OBSERVED VOLUME (GOV).

- VOLUME CORRECTION FACTOR (VCF / CTL).

- GROSS STANDARD VOLUME (GSV).

DATA HASIL PERHITUNGANSHORE TANKS

SIS0307

- SEDIMEN AND WATER (S+W) ATAU CORRECTION

FOR SEDIMENT AND WATER (CSW).

- NET STANDARD VOLUME (NSV).

- WEIGHT CONVERSION FACTOR (WCF).

- GROSS STANDARD WEIGHT (GSW).

- NET STANDARD WEIGHT (NSW).

- TOTAL CALCULATED VOLUME (TCV).

DATA HASIL PERHITUNGANSHORE TANKS

SIS0307

- VESSEL TRIM.

- VESSEL TRIM CORRECTION.

- VESSEL LIST CORRECTION.

- DENSITY AT STANDARDS TEMPERATURE (15OC

ATAU 60OF).

- TOTAL OBSERVED VOLUME (TOV).

- FREE WATER VOLUME (FW).

- GROSS OBSERVED VOLUME (GOV).

- VOLUME CORRECTION FACTOR (VCF / CTL).

- GROSS STANDARD VOLUME (GSV).

DATA HASIL PERHITUNGANSHIP TANKS

SIS0307

- SEDIMEN AND WATER (S+W) ATAU CORRECTION

UNTUK SEDIMENT AND WATER (CSW).

- NET STANDARD VOLUME (NSV).

- WEIGHT CONVERSION FACTOR (WCF).

- GROSS STANDARD WEIGHT (GSW).

- NET STANDARD WEIGHT (NSW).

- TOTAL CALCULATED VOLUME (TCV).

DATA HASIL PERHITUNGANSHIP TANKS

SIS0307

DATA YANG TERBACA PADA TABEL SERINGKALI BERBEDA DENGAN ANGKA YANG MUNCUL, MAKA DIGUNAKAN INTERPOLASI LINIER DENGAN RUMUS SEBAGAI BERIKUT:

(X2 - X) (Y2 - Y1)

Y = Y2 - ( )

(X2 - X1)

INTERPOLASI LINIER

X1

X

Y1

X2

Y (?)

Y2

SIS0307

FLOW CHART YANG MENJELASKAN

VOLUME DAN BERAT YANG BERHUBUNGAN DENGAN FAKTOR KOREKSI DAN KONVERSI.

FLOW CHART

SIS0307

(+/-) FRA

TOV

GOV

GSV

GSW

(-) FW

(x) VCF

(x) WCF

(-) S+W

(x) CSW

NSV(+) FW

TCV

(x) CTSh

SHORE TANKS

FLOATING ROOF

FLOW CHART YANG MENJELASKAN

VOLUME DAN BERAT YANG BERHUBUNGAN DENGAN FAKTOR KOREKSI DAN KONVERSI.

FLOW CHART

SIS0307

TOV

GOV

GSV

GSW

(-) FW

(x) VCF

(x) WCF

(-) S+W

(x) CSW

NSV(+) FW

TCV

(x) CTSh

SHORE TANKS

FIXED ROOF

FLOW CHART

SIS0307

(+/-) FRA

SHORE TANKS

(x) WCF wet

(x) WCF dry

TOV

GOV

GSV

NSV

(-) FW

(x) VCF

(x) CSW

GSW

NSW

SHIP’S TANKS

(x) WCF wet

(x) WCF dry

TOV

GOV

GSV

NSV

(-) FW

(x) VCF

(x) CSW

GSW

NSW

(x) CTSh

D1 = (VD - (V2D2 + V3D3)) / V1

KETERANGAN:

D = WET DENSITY.

V = WET OIL VOLUME.

D1 = DRY DENSITY.

D2 = WATER DENSITY.

D3 = SEDIMENT DENSITY.

V1 = DRY OIL VOLUME.

V2 = WATER VOLUME.

V3 = SEDIMENT VOLUME.

PERITUNGAN DRY DENSITY

CATATAN:

DRY DENSITY TIDAK UMUM UNTUK BANYAK NEGARA, PORT DAN TERMINAL.

SIS0307

- TRIMMED BY STERN:

AFTERWARD DRAFT DIKURANGI FORWARD DRAFT

HASILNYA POSITIF.

- TRIMMED BY HEAD:

AFTERWARD DRAFT DIKURANGI FORWARD DRAFT

HASILNYA NEGATIF.

- TABEL KOREKSI TRIM ADA DALAM TABEL KALIBRASI

TANKI KAPAL, DIGUNAKAN UNTUK MENGOREKSI DIP

ATAU ULLAGE .

- KOREKSI TRIM BISA POSITIF ATAU NEGATIF.

KOREKSI TRIM

SIS0307

- LIST BIASANYA DIBACA DARI INCLINOMETER.

- STATUS DARI LIST :

OPORT, JIKA KAPAL CONDONG KE KIRI,

OSTARBOARD, JIKA KAPAL CONDONG KE KANAN.

- TABEL KOREKSI LIST ADA DALAM TABEL KALIBRASI

TANKI KAPAL, DIGUNAKAN UNTUK MENGOREKSI DIP

ATAU ULLAGE .

- LIST CORRECTION BISA POSITIF ATAU

NEGATIF.

KOREKSI LIST

SIS0307

V = (X2 x W) / 2E

KETERANGAN:X = ((( U - (D x E)) x E) + SE = TRIM / LBPV = VOLUME DARI OBQ/ROB.W = LEBAR TANKI.S = SOUNDING (LIQUID DIP READING).U = JARAK DIPPING POINT DAN AFT. BULKHEAD.TRIM = AFT. DRAFT - FWD. DRAFT.LBP = PANJANG KAPAL.

UU

LL

DD

S

Tank GaugingTank Gauging

WEDGE FORMULA

SIS0307

SATUAN DAN TABEL UNTUK PETROLEUM

METRIC AMERICAN BRITISH

1 Linear mm - metres Ft - Inch Ft - Inch

2 Temperature oC oF oF

3 Pressure bar - kg/cm2 psig psig

4 Volume Litres - m3 Barrels - US Gallons Barrels - Imp. Gallons

5 Weight Metric Tons Long Tons - Pounds Long Tons - Pounds

6 Density Correction Table 53A - (53) Table 5A - (5) Table 23A - (23)

7 Density Correction Table 51 Table 3 Table 21

8 Volume Correction Table 52 Table 4 Table 22

9 Volume Correction Table 54A - (54) Table 6A - (6) Table 24A - (24)

10 Weight Correction Table 56 - 57 Table 11 - 13 Table 29

CATATAN:

KONSISTEN DALAM UNIT DAN TABELNYA.

SYSTEM OF UNITSUNITS / TABLESNO.

SEMUA KALKULASI DALAM SISTEM YANG BERBEDA HARUSLAH

SIS0307

METRIC AMERICAN BRITISH

1 Linear mm - metres Ft - Inch Ft - Inch

2 Temperature oC oF oF

3 Pressure bar - kg/cm2 psig psig

4 Volume Litres - m3 Barrels - US Gallons Barrels - Imp. Gallons

5 Weight Metric Tons Long Tons - Pounds Long Tons - Pounds

6 Density Correction Table 53B - 53D - (53) Table 5B - 5D - (5) Table 23B - 23D - (23)

7 Density Correction Table 51 Table 3 Table 21

8 Volume Correction Table 52 Table 4 Table 22

9 Volume Correction Table 54B - 54D - (54) Table 6B - 6D - (6) Table 24B - 24D - (24)

10 Weight Correction Table 56 - 57 Table 11 - 13 Table 29

CATATAN: SEMUA KALKULASI DALAM SISTEM YANG BERBEDA HARUSLAH

KONSISTEN DALAM UNIT DAN TABELNYA.

SYSTEM OF UNITSUNITS / TABLESNO.

SATUAN DAN TABELUNTUK PRODUK PETROLEUM

SIS0307

KUANTITAS KUANTITAS TANKI TANKI DARATDARAT

SIS0307

CONTOH: PERHITUNGAN TANKI DARAT

SIS0307

OPENING (T-6) OPENING (T-6A) REMARKS

1 Reference Height mm 17507 17507 Tank Cap. Table

2 Measured Height mm 17505 17505 Measurement

3 ATG / Tank Remote mm 10881 10881 Measurement

4 GAUGE: Oil + Water mm 10877 10877 Measurement

5 GAUGE: Water only mm 0 0 Measurement

6 Temperature OF 90.0 90.0 Measurement

7 Total Observed Volume Bbls 370476.70 370476.70 Tank Cap. Table

8 Free Water Bbls 0.00 0.00 Tank Cap. Table

9 CTSh 0.9999966 0.9999966 Tank Cap. Table

10 Floating Roof Adjustment Bbls 58.50 58.50 Tank Cap. Table

11 Gross Observed Volume Bbls 370533.94 370533.94 ((7-8)x9)+10

12 API 40.3 40.3 Analysis Data

13 VCF: Table 6 / 6A 0.98577 0.98484 Table-6 / 6A

14 Gross Standard Volume Bbls 365261.24 364916.65 11 x 13

15 WCF: Table 11 0.12858 0.12858 Table-11

16 Gross Standard Weight Long Tons 46965.290 46920.983 14 x 15

17 S+W % Volume 0.05 0.05 Analysis Data

18 S+W Volume Bbls 182.63 182.46 14 x1719 Net Standard Volume Bbls 365078.61 364734.19 14 -1820 WCF: Table 11 0.12858 0.12858 Table-1121 Net Standard Weight Long Tons 46941.808 46897.522 19 x 20

TANK NO. 1301-AUNITFLOATING ROOF

CONTOH: PERHITUNGAN TANKI DARAT

SIS0307

OPENING CLOSING

1 Reference Height mm 17507 17507 Tank Cap. Table

2 Measured Height mm 17505 17505 Measurement

3 ATG / Tank Remote mm 10881 6171 Measurement

4 GAUGE: Oil + Water mm 10877 6168 Measurement

5 GAUGE: Water only mm 0 0 Measurement

6 Temperature OF 90.0 88.0 Measurement

7 Total Observed Volume Bbls 370476.70 206842.30 Tank Cap. Table

8 Free Water Bbls 0.00 0.00 Tank Cap. Table

9 CTSh 0.9999966 1.0000348 Tank Cap. Table

10 Floating Roof Adjustment Bbls 58.50 58.50 Tank Cap. Table

11 Gross Observed Volume Bbls 370533.94 206908.00 ((7-8)x9)+10

12 API 40.3 40.3 Analysis Data

13 VCF: Table 6 0.98577 0.98674 Table-6

14 Gross Standard Volume Bbls 365261.24 204164.4 11 x 13

15 GSV Delivered Bbls 161096.84 OPEN - CLOSE

16 WCF: Table 11 0.12858 0.12858 Table-11

17 Gross Standard Weight Long Tons 46965.290 26251.459 14 x 16

18 GSW Delivered Long Tons 20713.831 OPEN - CLOSE

19 S+W % Volume 0.05 0.05 Analysis Data

20 S+W Volume Bbls 182.63 102.08 14 x1921 Net Standard Volume Bbls 365078.61 204062.32 14 -2022 NSV Delivered Bbls 161016.29 OPEN - CLOSE23 WCF: Table 11 0.12858 0.12858 Table-1124 Net Standard Weight Long Tons 46941.808 26238.333 21 x 2325 NSW Delivered Long Tons 20703.475 OPEN - CLOSE

TANK NO. 1301-AUNITFLOATING ROOF REMARKS

CONTOH: PERHITUNGAN TANKI DARAT

SIS0307

OPENING CLOSING

1 Reference Height mm 17507 17507 Tank Cap. Table

2 Measured Height mm 17505 17505 Measurement

3 ATG / Tank Remote mm 10881 6171 Measurement

4 GAUGE: Oil + Water mm 10877 6168 Measurement

5 GAUGE: Water only mm 10 0 Measurement

6 Temperature OF 90.0 88.0 Measurement

7 Total Observed Volume Bbls 370476.70 206842.30 Tank Cap. Table

8 Free Water Bbls 100.00 0.00 Tank Cap. Table

9 CTSh 0.9999966 1.0000348 Tank Cap. Table

10 Floating Roof Adjustment Bbls n/a n/a Tank Cap. Table

11 Gross Observed Volume Bbls 370375.44 206849.50 (7-8)x9

12 API 40.3 40.3 Analysis Data

13 VCF: Table 6 0.98577 0.98674 Table-6

14 Gross Standard Volume Bbls 365105 204106.68 11 x 13

15 GSV Delivered Bbls 160998.32 OPEN - CLOSE

16 WCF: Table 11 0.12858 0.12858 Table-11

17 Gross Standard Weight Long Tons 46945.201 26244.037 14 x 16

18 GSW Delivered Long Tons 20701.164 OPEN - CLOSE

19 S+W % Volume 0.05 0.05 Analysis Data

20 S+W Volume Bbls 182.55 102.05 14 x1921 Net Standard Volume Bbls 364922.45 204004.63 14 -2022 NSV Delivered Bbls 160917.82 OPEN - CLOSE23 WCF: Table 11 0.12858 0.12858 Table-1124 Net Standard Weight Long Tons 46921.729 26230.915 21 x 2325 NSW Delivered Long Tons 20690.814 OPEN - CLOSE

TANK NO. 1301-DUNITFIXED ROOF REMARKS

KUANTITAS KUANTITAS TANKI TANKI KAPALKAPAL

SIS0307

CONTOH: PERHITUNGAN TANKI KAPAL

SIS0307

Fw d Draft = 9.50 m Aft Draft = 11.20 m

Port List = 0.00 deg. Stb List = 0.00 deg.

LBP = 230.50 m Sea condition = Calm.

UNIT 1P 1S 2P 2S 3C

Distance (U) m 0.986 0.986 0.986 0.986 0.986

Depth (D) m 8.320 8.320 8.320 8.320 8.320

Sounding (S) m 0.000 0.000 0.000 0.050 0.100

Length (L) m 22.45 22.45 22.45 22.45 22.45

Trim/LBP (E) 0.00738 0.00738 0.00738 0.00738 0.00738

Wide (W) m 20.342 20.342 20.342 20.342 20.342

X Value m N/A N/A N/A 0.05682 0.10682

Y Value m 0.16568 0.16568 0.16568 0.16568 0.16568

GOV m3 0 0 0 4.449 15.726

Table-1 Factor m3 to bbls 6.28981 6.28981 6.28981 6.28981 6.28981

GOV bbls 0 0 0 27.98 98.91

GOV Total = 126.89 bbls

Y = L x E

2S 0.05682 0.16568 X < Y

3C 0.10682 0.16568 X < Y

Wedge Calculation

Wedge Calculation

X = ((( U - (D x E)) x E ) + S

E = TRIM / LBP

GOV = ( X2 x W ) / ( 2E )

TANK NO. X Y REMARKS

SHIP'S TANKS BEFORE LOADING

PARTICULARTANK NO.

NOTE: The formula valid if X less than Y.

CONTOH: PERHITUNGAN TANKI KAPAL

SIS0307

Fw d Draft = 10..00 m Aft Draft = 10.00 m

Port List = 0.00 deg. Stb List = 0.00 deg.

API = n/a Sea condition = Calm.

UNIT 1P 1S 2P 2S 3C

Reference Height mm 19055 19049 18841 18851 18849

Ullage mm 19055 19049 18841 18841 18844

Corrected Ullage mm 19055 19049 18841 18841 18844

Temperature oF n/a n/a n/a n/a n/a

TOV bbls 0.00 0.00 0.00 40.00 22.00

Free Water Dip mm 0 0 0 0 0

Free Water Volume bbls 0.00 0.00 0.00 0.00 0.00

Liqud Hyd. (Level) mm 19055 19049 18841 18841 18844

Liqud Hyd. (Volume) bbls 0.00 0.00 0.00 40.00 22.00

Non. Liq. Hyd. (L) mm 0 0 0 0 0

Non. Liq. Hyd. (Vol.) bbls 0.00 0.00 0.00 0.00 0.00

62.00 bbls

0.00 bbls

0.00 bbls

FW Total =

Non Liquid Hydrocarbon Total =

SHIP'S TANKS BEFORE LOADING

PARTICULARTANK NO.

GOV Total =

CONTOH: PERHITUNGAN TANKI KAPAL

SIS0307

Fw d Draft = 7.10 m Aft Draft = 9.70 m

Port List = 0.00 deg. Stb List = 0.00 deg.

API = 40.3 Sea condition = Slight.

UNIT 1P 1S 2P 2S 3C

Reference Height mm 19055 19049 18841 18851 18849

Ullage mm 1.53 1.37 1.34 1.37 1.32

Corrected Ullage mm 1.67 1.52 1.49 1.51 1.47

Temperature oF 96 96 96 96 96

TOV bbls 49973.00 10222.00 100043.00 90968.00 49922.00

Free Water Dip mm 0 0.01 0 0.02 0

Free Water Volume bbls 0.00 40.00 0.00 80.00 0.00

GOV bbls 49973.00 10182.00 100043.00 90888.00 49922.00

VCF T-6 0.98294 0.98294 0.98294 0.98294 0.98294

GSV bbls 49120.46 10008.30 98336.27 89337.45 49070.33

TOV Total = 301128.00 bbls

GOV Total = 301008.00 bbls

120.00 bbls

295872.81 bbls

Corrected Ullage diperoleh dari Ullage yang dikoreksi oleh Trim dan List Correction.

Catatan:

FW Total =

GSV =

SHIP'S TANKS AFTER LOADING

PARTICULARTANK NO.

CONTOH: PERHITUNGAN TANKI KAPAL

SIS0307

B/ LOADING A/ LOADING

1 API N/A 40.3 Analysisi Data

2 Gross Standard Volume Bbls 62.00 295872.81 Calculation

3 GSV Loaded Bbls 295810.81 After - Before

4 WCF: Table 11 0.12858 0.12858 Table-11

5 Gross Standard Weight Long Tons 7.972 38043.326 2 x 4

6 GSW Loaded Long Tons 38035.35 After - Before

7 S+W % Volume N/A 0.05 Analysisi Data

8 S+W Volume Bbls N/A 147.94 2 x 7

9 Net Standard Volume Bbls 62.00 295724.87 2 - 8

10 NSV Loaded Bbls 295662.87 After - Before

11 WCF: Table 11 0.12858 0.12858 Table-11

12 Net Standard Weight Long Tons 7.972 38024.304 9 x 11

13 NSW Loaded Long Tons 38016.33 After - Before

GOV Before Loading as GSV.

WCF Before Loading same as A/Loading.

SHIP'S TANKSUNIT

SHIP'S TANK NO.: 1P, 1S, 2P, 2S, 3CREMARKS

SUMMARY AT LOADING

Assumption :